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Dabasacanthus inskasi (3)
Zangerl, 1979
Original description species: Zangerl, 1979
Genus: Dabasacanthus Zangerl, 1979
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Dactylodus concavus (2)
Trautschold, 1874
Original description species: Trautschold, 1874
Genus: Dactylodus Newberry & Worthen, 1866
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali
Dactylodus excavatus (1)
St. John & Worthen, 1875
Original description species: St. John & Worthen, 1875
Genus: Dactylodus Newberry & Worthen, 1866
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali
Dactylodus inflexus (1)
Newberry & Worthen, 1866
Valid name: Polyrhizodus inflexus
Valid name: Polyrhizodus inflexus
Original description species: Newberry & Worthen, 1866
Genus: Dactylodus Newberry & Worthen, 1866
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali
Dactylodus lobatus (1)
Newberry & Worthen, 1866
Valid name: Polyrhizodus lobatus
Valid name: Polyrhizodus lobatus
Original description species: Newberry & Worthen, 1866
Genus: Dactylodus Newberry & Worthen, 1866
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali
Dactylodus minimus (1)
St. John & Worthen, 1875
Original description species: St. John & Worthen, 1875
Genus: Dactylodus Newberry & Worthen, 1866
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali
Dactylodus princeps (1)
Newberry & Worthen, 1866
Valid name: Polyrhizodus princeps
Valid name: Polyrhizodus princeps
Original description species: Newberry & Worthen, 1866
Genus: Dactylodus Newberry & Worthen, 1866
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali
Dalatias aff. crenatidens (1)
(Arambourg, 1952)
Valid name: Dalatias crenulatus
Valid name: Dalatias crenulatus
Original description species: (Arambourg, 1952)
Genus: Dalatias Rafinesque, 1810
Family: Dalatiidae Gray, 1851
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dalatias aff. crenulatus (1)
(Arambourg, 1952)
Valid name: Dalatias crenulatus
Valid name: Dalatias crenulatus
Original description species: (Arambourg, 1952)
Genus: Dalatias Rafinesque, 1810
Family: Dalatiidae Gray, 1851
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dalatias barnstonensis (3)
Sykes, 1971
Valid name: Pseudodalatias barnstonensis
Valid name: Pseudodalatias barnstonensis
Original description species: Sykes, 1971
Genus: Dalatias Rafinesque, 1810
Family: Dalatiidae Gray, 1851
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dalatias cf. licha-f (4)
(Bonnaterre, 1788)
Valid name: Dalatias licha-f
Valid name: Dalatias licha-f
Original description species: (Bonnaterre, 1788)
Genus: Dalatias Rafinesque, 1810
Family: Dalatiidae Gray, 1851
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dalatias crenulatus (9)
(Arambourg, 1952)
Synonyms: Dalatias aff. crenatidens, Dalatias aff. crenulatus, Dalatias cf. crenulatus, Somniosus cf. crenulatus, Somniosus crenulatus
Original description species: (Arambourg, 1952)
Genus: Dalatias Rafinesque, 1810
Family: Dalatiidae Gray, 1851
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dalatias licha-f (50)
(Bonnaterre, 1788)
Synonyms: Centrina bassanii, Dalatias bassanii, Dalatias cf. licha-f, Isistius acutus, Scymnorhinus licha-f, Scymnus acutus, Scymnus licha-f, Scymnus lichia-f, Scymnus majori
Original description species: (Bonnaterre, 1788)
Genus: Dalatias Rafinesque, 1810
Family: Dalatiidae Gray, 1851
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dalatias occidentalis (2)
(Agassiz, 1856)
Valid name: Megasqualus occidentalis
Valid name: Megasqualus occidentalis
Original description species: (Agassiz, 1856)
Genus: Dalatias Rafinesque, 1810
Family: Dalatiidae Gray, 1851
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dalatias orientalis (1)
Malyshkina, 2022
Original description species: Malyshkina, 2022
Genus: Dalatias Rafinesque, 1810
Family: Dalatiidae Gray, 1851
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dalatias sp-f (21)

Synonyms: Centrina sp-f, Scymnus sp-f
Genus: Dalatias Rafinesque, 1810
Family: Dalatiidae Gray, 1851
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dalatias turkmenicus (3)
Glikman, 1964
Original description species: Glikman, 1964
Genus: Dalatias Rafinesque, 1810
Family: Dalatiidae Gray, 1851
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dallasiella brachyodon (1)
Siversson, Cederström & Ryan, 2022
Original description species: Siversson, Cederström & Ryan, 2022
Genus: Dallasiella Cappetta & Case, 1999
Family: Cretoxyrhinidae Glickman, 1958
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dallasiella cf. willistoni (1)
Cappetta & Case, 1999
Valid name: Dallasiella willistoni
Valid name: Dallasiella willistoni
Original description species: Cappetta & Case, 1999
Genus: Dallasiella Cappetta & Case, 1999
Family: Cretoxyrhinidae Glickman, 1958
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dallasiella sp. (1)

Genus: Dallasiella Cappetta & Case, 1999
Family: Cretoxyrhinidae Glickman, 1958
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dallasiella willistoni (12)
Cappetta & Case, 1999
Synonyms: Dallasiella cf. willistoni
Original description species: Cappetta & Case, 1999
Genus: Dallasiella Cappetta & Case, 1999
Family: Cretoxyrhinidae Glickman, 1958
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dalmehodus cf. turnerae (1)
Long & Hairapetian, 2000
Valid name: Dalmehodus turnerae
Valid name: Dalmehodus turnerae
Original description species: Long & Hairapetian, 2000
Genus: Dalmehodus Long & Hairapetian, 2000
Family: Protacrodontidae Cappetta, Duffin & Zidek, 1993
Superfamily: Protacrodontoidea
Cohort: Euselachii
Subclass: Elasmobranchii
Dalmehodus turnerae (7)
Long & Hairapetian, 2000
Synonyms: Dalmehodus cf. turnerae
Original description species: Long & Hairapetian, 2000
Genus: Dalmehodus Long & Hairapetian, 2000
Family: Protacrodontidae Cappetta, Duffin & Zidek, 1993
Superfamily: Protacrodontoidea
Cohort: Euselachii
Subclass: Elasmobranchii
Dalpiazia sp. (1)

Genus: Dalpiazia Checchia-Rispoli, 1933
Family: Sclerorhynchidae Cappetta, 1974
Suborder: Sclerorhynchoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dalpiazia stromeri (25)
Checchia-Rispoli, 1933
Synonyms: Dalpiazia maroccana, Onchosaurus cf. maroccanus, Onchosaurus manzadinensis, Onchosaurus maroccanus, Onchosaurus (Ischirhiza) maroccanus, Onchosaurus (Ischyrhiza) maroccanus, Onchosaurus (Ischyrhiza) stromeri
Original description species: Checchia-Rispoli, 1933
Genus: Dalpiazia Checchia-Rispoli, 1933
Family: Sclerorhynchidae Cappetta, 1974
Suborder: Sclerorhynchoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Damocles serratus (5)
Lund, 1986
Original description species: Lund, 1986
Genus: Damocles Lund, 1986
Family: Falcatidae Zangerl, 1990
Order: Symmoriiformes
Superorder: Cladodontomorphi
Subclass: Holocephali
Danogaleus gueriri (4)
Noubhani & Cappetta, 1997
Original description species: Noubhani & Cappetta, 1997
Genus: Danogaleus Noubhani & Cappetta, 1997
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis aff. cavernosa (2)
(Probst, 1877)
Valid name: Taeniurops cavernosus
Valid name: Taeniurops cavernosus
Original description species: (Probst, 1877)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis aff. centroura-f (3)
(Mitchill, 1815)
Valid name: Bathytoshia centroura-f
Valid name: Bathytoshia centroura-f
Original description species: (Mitchill, 1815)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis aff. charlisae (1)
Case, 1981
Valid name: Dasyatis charlisae
Valid name: Dasyatis charlisae
Original description species: Case, 1981
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis aff. delfortriei (14)
Cappetta, 1970
Valid name: Dasyatis delfortriei
Valid name: Dasyatis delfortriei
Original description species: Cappetta, 1970
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis aff. probsti (1)
Cappetta, 1970
Valid name: Bathytoshia probsti
Valid name: Bathytoshia probsti
Original description species: Cappetta, 1970
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis aff. russelli (1)
Cappetta, 1972
Valid name: Dasyatis russelli
Valid name: Dasyatis russelli
Original description species: Cappetta, 1972
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis aff. strangulata (1)
(Probst, 1877)
Valid name: Dasyatis strangulata
Valid name: Dasyatis strangulata
Original description species: (Probst, 1877)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis aff. sudrei (2)
Cappetta, 1972
Valid name: Dasyatis sudrei
Valid name: Dasyatis sudrei
Original description species: Cappetta, 1972
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis africana (2)
(Arambourg, 1947)
Synonyms: Potamotrygon africana
Original description species: (Arambourg, 1947)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis akajei rikuzenensis (1)
(Hatai, Murata & Masuda, 1965)
Valid name: Hemitrygon akajei rikuzenensis
Valid name: Hemitrygon akajei rikuzenensis
Original description species: (Hatai, Murata & Masuda, 1965)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis akajei-f (1)
(Müller & Henle, 1841)
Valid name: Hemitrygon akajei-f
Valid name: Hemitrygon akajei-f
Original description species: (Müller & Henle, 1841)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis alveolata (6)
(Leriche, 1942)
Synonyms: Trygon aff. alveolatus, Trygon alveolatus
Original description species: (Leriche, 1942)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis backler (1)

Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis borodini (2)
Case, 1981
Original description species: Case, 1981
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis branisai (8)
Cappetta, 1975
Original description species: Cappetta, 1975
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis carasuensis (1)
Averianov & Udovitshenko, 1993
Original description species: Averianov & Udovitshenko, 1993
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis carolinensis (2)
(Emmons, 1858)
Synonyms: Trygon carolinensis
Original description species: (Emmons, 1858)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis cavernosa (23)
(Probst, 1877)
Valid name: Taeniurops cavernosus
Valid name: Taeniurops cavernosus
Original description species: (Probst, 1877)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis cavernosus (3)
(Probst, 1877)
Valid name: Taeniurops cavernosus
Valid name: Taeniurops cavernosus
Original description species: (Probst, 1877)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis centroura-f (2)
(Mitchill, 1815)
Valid name: Bathytoshia centroura-f
Valid name: Bathytoshia centroura-f
Original description species: (Mitchill, 1815)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis cf. americana-f (1)
Hildebrand & Schroeder, 1928
Valid name: Hypanus americanus-f
Valid name: Hypanus americanus-f
Original description species: Hildebrand & Schroeder, 1928
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis cf. centroura-f (2)
(Mitchill, 1815)
Valid name: Bathytoshia centroura-f
Valid name: Bathytoshia centroura-f
Original description species: (Mitchill, 1815)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis cf. commercensis (1)
Case & Cappetta, 1997
Valid name: Dasyatis commercensis
Valid name: Dasyatis commercensis
Original description species: Case & Cappetta, 1997
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis cf. delfortriei (1)
Cappetta, 1970
Valid name: Dasyatis delfortriei
Valid name: Dasyatis delfortriei
Original description species: Cappetta, 1970
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis cf. hexagonalis (1)
Arambourg, 1952
Valid name: Dasyatis hexagonalis
Valid name: Dasyatis hexagonalis
Original description species: Arambourg, 1952
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis cf. jaekeli (2)
(Leriche, 1905)
Valid name: Casierabatis jaekeli
Valid name: Casierabatis jaekeli
Original description species: (Leriche, 1905)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis cf. margaritella-f (2)
Compagno & Roberts, 1984
Valid name: Fontitrygon margaritella-f
Valid name: Fontitrygon margaritella-f
Original description species: Compagno & Roberts, 1984
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis cf. pastinaca-f (2)
(Linnaeus, 1758)
Valid name: Dasyatis pastinaca-f
Valid name: Dasyatis pastinaca-f
Original description species: (Linnaeus, 1758)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis cf. probsti (1)
Cappetta, 1970
Valid name: Bathytoshia probsti
Valid name: Bathytoshia probsti
Original description species: Cappetta, 1970
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis cf. rugosa (5)
(Probst, 1877)
Valid name: Dasyatis rugosa
Valid name: Dasyatis rugosa
Original description species: (Probst, 1877)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis cf. rugosus (1)
(Probst, 1877)
Valid name: Dasyatis rugosa
Valid name: Dasyatis rugosa
Original description species: (Probst, 1877)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis cf. strangulata (1)
(Probst, 1877)
Valid name: Dasyatis strangulata
Valid name: Dasyatis strangulata
Original description species: (Probst, 1877)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis cf. thierryi (2)
Smith, 1999
Valid name: Belgabatis thierryi
Valid name: Belgabatis thierryi
Original description species: Smith, 1999
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis cf. tricuspidatus (1)
Casier, 1946
Valid name: Serratodasyatis tricuspidata
Valid name: Serratodasyatis tricuspidata
Original description species: Casier, 1946
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis charlisae (5)
Case, 1981
Synonyms: Dasyatis aff. charlisae
Original description species: Case, 1981
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis commercensis (4)
Case & Cappetta, 1997
Synonyms: Dasyatis cf. commercensis
Original description species: Case & Cappetta, 1997
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis concavifoveus (2)
Cvancara & Hoganson, 1993
Original description species: Cvancara & Hoganson, 1993
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis crosswickense (1)
Case, 1996
Original description species: Case, 1996
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis datasi (1)
Noubhani & Cappetta, 1997
Original description species: Noubhani & Cappetta, 1997
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis davisi (2)
Casier, 1966
Valid name: Sheppeytrygon davisi
Valid name: Sheppeytrygon davisi
Original description species: Casier, 1966
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis delfortriei (23)
Cappetta, 1970
Synonyms: Dasyatis aff. delfortriei, Dasyatis cf. delfortriei
Original description species: Cappetta, 1970
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis dezignoi (1)
(Molin, 1861)
Original description species: (Molin, 1861)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis dianapizarroae (2)
Laurito Mora, 1999
Original description species: Laurito Mora, 1999
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis dipterura-f (2)
(Jordan & Gilbert, 1880)
Valid name: Hypanus dipterurus-f
Valid name: Hypanus dipterurus-f
Original description species: (Jordan & Gilbert, 1880)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis dipterurus-f (2)
(Jordan & Gilbert, 1880)
Valid name: Hypanus dipterurus-f
Valid name: Hypanus dipterurus-f
Original description species: (Jordan & Gilbert, 1880)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis duponti (5)
(Winkler, 1874)
Valid name: Jacquhermania duponti
Valid name: Jacquhermania duponti
Original description species: (Winkler, 1874)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis dux (5)
(Cope, 1867)
Synonyms: Raja dux, Trygon dux
Original description species: (Cope, 1867)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis fallax (2)
(Arambourg, 1952)
Valid name: Coupatezia fallax
Valid name: Coupatezia fallax
Original description species: (Arambourg, 1952)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis globidens (1)
Arambourg, 1952
Valid name: Ishaquia globidens
Valid name: Ishaquia globidens
Original description species: Arambourg, 1952
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis gr. centroura-f (2)
(Mitchill, 1815)
Valid name: Bathytoshia centroura-f
Valid name: Bathytoshia centroura-f
Original description species: (Mitchill, 1815)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis gr. gigas (2)
(Günther, 1870)
Original description species: (Günther, 1870)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis guttata-f (1)
(Bloch & Schneider, 1801)
Valid name: Hypanus guttatus-f
Valid name: Hypanus guttatus-f
Original description species: (Bloch & Schneider, 1801)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis hastata-f (2)
(Dekay, 1842)
Original description species: (Dekay, 1842)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis hermani (1)
(Halter, 1989)
Original description species: (Halter, 1989)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis hexagonalis (5)
Arambourg, 1952
Synonyms: Dasyatis cf. hexagonalis
Original description species: Arambourg, 1952
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis iwaii (1)
Hatai
Original description species: Hatai
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis jaekeli (21)
(Leriche, 1905)
Valid name: Casierabatis jaekeli
Valid name: Casierabatis jaekeli
Original description species: (Leriche, 1905)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis mahuliensis (2)
Sahni & Mehrotra, 1981
Original description species: Sahni & Mehrotra, 1981
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis marmorata pastinaca-f (1)
(Steindachner, 1892)
Valid name: Dasyatis marmorata-f
Valid name: Dasyatis marmorata-f
Original description species: (Steindachner, 1892)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis marmorata-f (3)
(Steindachner, 1892)
Synonyms: Dasyatis marmorata pastinaca-f
Original description species: (Steindachner, 1892)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis martini (2)
Noubhani & Cappetta, 1997
Original description species: Noubhani & Cappetta, 1997
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis masudae (2)
(Hatai & Kotaka, 1962)
Synonyms: Dasybatus masudae
Original description species: (Hatai & Kotaka, 1962)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis menoni (3)
Sahni & Mehrotra, 1981
Valid name: Himantura menoni
Valid name: Himantura menoni
Original description species: Sahni & Mehrotra, 1981
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis minuta (2)
Cappetta, 1970
Original description species: Cappetta, 1970
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis molassica (5)
(Probst, 1882)
Synonyms: Acipenser molassicus, Dasyatis molassicus, Raja molassicus
Original description species: (Probst, 1882)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis molassicus (1)
(Probst, 1882)
Valid name: Dasyatis molassica
Valid name: Dasyatis molassica
Original description species: (Probst, 1882)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis molinoensis (8)
Cappetta, 1975
Original description species: Cappetta, 1975
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis muricata (2)
(Volta, 1796)
Valid name: Tethytrygon muricatus
Valid name: Tethytrygon muricatus
Original description species: (Volta, 1796)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis newegyptensis (2)
Case, Borodin & Leggett, 2001
Original description species: Case, Borodin & Leggett, 2001
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis nipponensis (2)
(Hatai & Kotaka, 1962)
Synonyms: Dasybatus nipponensis
Original description species: (Hatai & Kotaka, 1962)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis northdakotaensis (2)
Hoganson, Erickson & Holland, 2019
Original description species: Hoganson, Erickson & Holland, 2019
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis pastinaca-f (3)
(Linnaeus, 1758)
Synonyms: Dasyatis cf. pastinaca-f
Original description species: (Linnaeus, 1758)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis ponsi (2)
Noubhani & Cappetta, 1997
Original description species: Noubhani & Cappetta, 1997
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis probsti (24)
Cappetta, 1970
Valid name: Bathytoshia probsti
Valid name: Bathytoshia probsti
Original description species: Cappetta, 1970
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis puercensis (3)
Williamson & Lucas, 1993
Original description species: Williamson & Lucas, 1993
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis radians (1)
(Marsh, 1877)
Original description species: (Marsh, 1877)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis rafinesquei (1)
Kumar & Loyal, 1987
Original description species: Kumar & Loyal, 1987
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis reticulata (1)
Guinot, Hautier, Sambou & Martin, 2023
Original description species: Guinot, Hautier, Sambou & Martin, 2023
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis rugosa (59)
(Probst, 1877)
Synonyms: Dasyatis cf. rugosa, Dasyatis cf. rugosus, Raja praeclavata, Raja rugosa, Trygon cf. rugosus, Trygon rugosus
Original description species: (Probst, 1877)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis russelli (3)
Cappetta, 1972
Synonyms: Dasyatis aff. russelli
Original description species: Cappetta, 1972
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis say-f (1)
(Lesueur, 1817)
Valid name: Hypanus say-f
Valid name: Hypanus say-f
Original description species: (Lesueur, 1817)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis schaefferi (8)
Cappetta, 1975
Original description species: Cappetta, 1975
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis serralheiroi (2)
Cappetta, 1970
Original description species: Cappetta, 1970
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis sessaoensis (2)
Cappetta, 1972
Original description species: Cappetta, 1972
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis sp-f (217)

Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis speetonensis (1)
Underwood, Mitchell & Veltkamp, 1999
Original description species: Underwood, Mitchell & Veltkamp, 1999
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis strangulata (13)
(Probst, 1877)
Synonyms: Dasyatis aff. strangulata, Dasyatis cf. strangulata, Raja strangulata, Trygon strangulatus
Original description species: (Probst, 1877)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis sudrei (4)
Cappetta, 1972
Synonyms: Dasyatis aff. sudrei
Original description species: Cappetta, 1972
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis sylvestris (3)
(White, 1931)
Valid name: Hypolophodon sylvestris
Valid name: Hypolophodon sylvestris
Original description species: (White, 1931)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis targionii (1)
(Lawley, 1876)
Original description species: (Lawley, 1876)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis tetraedra (3)
Arambourg, 1952
Original description species: Arambourg, 1952
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis thierryi (2)
Smith, 1999
Valid name: Belgabatis thierryi
Valid name: Belgabatis thierryi
Original description species: Smith, 1999
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis tochtabusiensis (1)
Averianov & Udovitshenko, 1993
Original description species: Averianov & Udovitshenko, 1993
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis torrejonius (2)
Williamson & Lucas, 1993
Original description species: Williamson & Lucas, 1993
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis tricuspidata (1)
Casier, 1946
Valid name: Serratodasyatis tricuspidata
Valid name: Serratodasyatis tricuspidata
Original description species: Casier, 1946
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis tricuspidatus (6)
Casier, 1946
Valid name: Serratodasyatis tricuspidata
Valid name: Serratodasyatis tricuspidata
Original description species: Casier, 1946
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis vicaryi (2)
Loyal, 1984
Original description species: Loyal, 1984
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis wochadunensis (3)
Ward, 1979
Original description species: Ward, 1979
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyatis zigni (2)
(Molin, 1861)
Valid name: Tethytrygon muricatus
Valid name: Tethytrygon muricatus
Original description species: (Molin, 1861)
Genus: Dasyatis Rafinesque, 1810
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasybatus akajei rikuzenensis (1)
Hatai, Murata & Masuda, 1965
Valid name: Hemitrygon akajei rikuzenensis
Valid name: Hemitrygon akajei rikuzenensis
Original description species: Hatai, Murata & Masuda, 1965
Genus: Dasybatus Klein, 1775
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasybatus masudae (1)
(Hatai & Kotaka, 1962)
Valid name: Dasyatis masudae
Valid name: Dasyatis masudae
Original description species: (Hatai & Kotaka, 1962)
Genus: Dasybatus Klein, 1775
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasybatus nipponensis (1)
(Hatai & Kotaka, 1962)
Valid name: Dasyatis nipponensis
Valid name: Dasyatis nipponensis
Original description species: (Hatai & Kotaka, 1962)
Genus: Dasybatus Klein, 1775
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyomyliobatis thomyorkei (1)
Marramà, Villalobos-Segura, Zorzin, Kriwet & Carnevale, 2023
Original description species: Marramà, Villalobos-Segura, Zorzin, Kriwet & Carnevale, 2023
Genus: Dasyomyliobatis Marramà, Villalobos-Segura, Zorzin, Kriwet & Carnevale, 2023
Family: Dasyomyliobatidae Marramà, Villalobos-Segura, Zorzin, Kriwet & Carnevale, 2023
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dasyrhombodus bondoni (4)
(Arambourg, 1952)
Synonyms: Rhombodus bondoni
Original description species: (Arambourg, 1952)
Genus: Dasyrhombodus Noubhani & Cappetta, 1994
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Davodus tripartitis (3)
(Davis, 1883)
Synonyms: Petralodopsis tripartitus
Original description species: (Davis, 1883)
Genus: Davodus Hansen, 1985
Family: Pristodontidae Woodward, 1889
Order: Petalodontiformes
Subclass: Euchondrocephali
Deania aff. calcea-f (3)
(Lowe, 1839)
Valid name: Deania calceus-f
Valid name: Deania calceus-f
Original description species: (Lowe, 1839)
Genus: Deania Jordan & Snyder, 1902
Family: Centrophoridae Bleeker, 1859
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Deania aff. calceus-f (1)
(Lowe, 1839)
Valid name: Deania calceus-f
Valid name: Deania calceus-f
Original description species: (Lowe, 1839)
Genus: Deania Jordan & Snyder, 1902
Family: Centrophoridae Bleeker, 1859
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Deania angoumeensis (6)
Adnet, 2006
Synonyms: Deania cf. angoumeensis
Original description species: Adnet, 2006
Genus: Deania Jordan & Snyder, 1902
Family: Centrophoridae Bleeker, 1859
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Deania calcea-f (3)
(Lowe, 1839)
Valid name: Deania calceus-f
Valid name: Deania calceus-f
Original description species: (Lowe, 1839)
Genus: Deania Jordan & Snyder, 1902
Family: Centrophoridae Bleeker, 1859
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Deania calceus-f (15)
(Lowe, 1839)
Synonyms: Deania aff. calcea-f, Deania aff. calceus-f, Deania calcea-f, Deania cf. calcea-f
Original description species: (Lowe, 1839)
Genus: Deania Jordan & Snyder, 1902
Family: Centrophoridae Bleeker, 1859
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Deania cf. angoumeensis (1)
Adnet, 2006
Valid name: Deania angoumeensis
Valid name: Deania angoumeensis
Original description species: Adnet, 2006
Genus: Deania Jordan & Snyder, 1902
Family: Centrophoridae Bleeker, 1859
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Deania cf. calcea-f (6)
(Lowe, 1839)
Valid name: Deania calceus-f
Valid name: Deania calceus-f
Original description species: (Lowe, 1839)
Genus: Deania Jordan & Snyder, 1902
Family: Centrophoridae Bleeker, 1859
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Deania radicans (1)
(Probst, 1879)
Valid name: Centrophorus granulosus-f
Valid name: Centrophorus granulosus-f
Original description species: (Probst, 1879)
Genus: Deania Jordan & Snyder, 1902
Family: Centrophoridae Bleeker, 1859
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Deania sp-f (28)

Genus: Deania Jordan & Snyder, 1902
Family: Centrophoridae Bleeker, 1859
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Debeerius ellefseni (2)
Grogan & Lund, 2000
Original description species: Grogan & Lund, 2000
Genus: Debeerius Grogan & Lund, 2000
Family: incert. fam.
Order: incert. sedis
Subclass: Euchondrocephali
Deihim cf. mansureae (1)
Ginter, Hairapetian & Klug, 2002
Valid name: Deihim mansureae
Valid name: Deihim mansureae
Original description species: Ginter, Hairapetian & Klug, 2002
Genus: Deihim Ginter, Hairapetian & Klug, 2002
Family: Protacrodontidae Cappetta, Duffin & Zidek, 1993
Superfamily: Protacrodontoidea
Cohort: Euselachii
Subclass: Elasmobranchii
Deihim mansureae (13)
Ginter, Hairapetian & Klug, 2002
Synonyms: Deihim cf. mansureae
Original description species: Ginter, Hairapetian & Klug, 2002
Genus: Deihim Ginter, Hairapetian & Klug, 2002
Family: Protacrodontidae Cappetta, Duffin & Zidek, 1993
Superfamily: Protacrodontoidea
Cohort: Euselachii
Subclass: Elasmobranchii
Deihim sp. (4)

Genus: Deihim Ginter, Hairapetian & Klug, 2002
Family: Protacrodontidae Cappetta, Duffin & Zidek, 1993
Superfamily: Protacrodontoidea
Cohort: Euselachii
Subclass: Elasmobranchii
Delphyodontos dacriformes (3)
Lund, 1980
Original description species: Lund, 1980
Genus: Delphyodontos Lund, 1980
Subclass: Holocephali
Delpitia reticulata (2)
Noubhani & Cappetta, 1997
Original description species: Noubhani & Cappetta, 1997
Genus: Delpitia Noubhani & Cappetta, 1997
Family: incert. fam.
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Delpitoscyllium africanum (19)
(Leriche, 1927)
Synonyms: Ginglymostoma aff. africanum, Ginglymostoma africanum, Ginglymostoma cf. africanum
Original description species: (Leriche, 1927)
Genus: Delpitoscyllium Noubhani & Cappetta, 1997
Family: Ginglymostomatidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Delpitoscyllium dartevellei (4)
(Casier, 1946)
Synonyms: Ginglymostoma dartevellei
Original description species: (Casier, 1946)
Genus: Delpitoscyllium Noubhani & Cappetta, 1997
Family: Ginglymostomatidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Delpitoscyllium planum (5)
(Davis, 1890)
Synonyms: Scyliorhinus planus, Scyllium planum
Original description species: (Davis, 1890)
Genus: Delpitoscyllium Noubhani & Cappetta, 1997
Family: Ginglymostomatidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Deltalepis magna (1)
Andreev, Coates, Karatajute-Talimaa, Shelton, Cooper & Sansom, 2017
Original description species: Andreev, Coates, Karatajute-Talimaa, Shelton, Cooper & Sansom, 2017
Genus: Deltalepis Andreev, Coates, Karatajute-Talimaa, Shelton, Cooper & Sansom, 2017
Family: Elegestolepididae Andreev, Coates, Karatajute-Talimaa, Shelton, Cooper & Sansom, 2017
Order: Elegestolepidida
Deltalepis magnus (1)
Andreev, 2014 (nomen nudum)
Original description species: Andreev, 2014 (nomen nudum)
Genus: Deltalepis Andreev, Coates, Karatajute-Talimaa, Shelton, Cooper & Sansom, 2017
Family: Elegestolepididae Andreev, Coates, Karatajute-Talimaa, Shelton, Cooper & Sansom, 2017
Order: Elegestolepidida
Deltalepis parva (1)
Andreev, Coates, Karatajute-Talimaa, Shelton, Cooper & Sansom, 2017
Original description species: Andreev, Coates, Karatajute-Talimaa, Shelton, Cooper & Sansom, 2017
Genus: Deltalepis Andreev, Coates, Karatajute-Talimaa, Shelton, Cooper & Sansom, 2017
Family: Elegestolepididae Andreev, Coates, Karatajute-Talimaa, Shelton, Cooper & Sansom, 2017
Order: Elegestolepidida
Deltalepis parvus (1)
Andreev, 2014 (nomen nudum)
Original description species: Andreev, 2014 (nomen nudum)
Genus: Deltalepis Andreev, Coates, Karatajute-Talimaa, Shelton, Cooper & Sansom, 2017
Family: Elegestolepididae Andreev, Coates, Karatajute-Talimaa, Shelton, Cooper & Sansom, 2017
Order: Elegestolepidida
Deltodopsis affinis (1)
St. John & Worthen, 1863
Original description species: St. John & Worthen, 1863
Genus: Deltodopsis St. John & Worthen, 1883
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodopsis angustus (1)
Newberry & Worthen, 1870
Original description species: Newberry & Worthen, 1870
Genus: Deltodopsis St. John & Worthen, 1883
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodopsis bialveatus (2)
St. John & Worthen, 1883
Valid name: Arcuodus bialveatus
Valid name: Arcuodus bialveatus
Original description species: St. John & Worthen, 1883
Genus: Deltodopsis St. John & Worthen, 1883
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodopsis convolutus (1)
St. John & Worthen, 1883
Original description species: St. John & Worthen, 1883
Genus: Deltodopsis St. John & Worthen, 1883
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodopsis exornatus (1)
St. John & Worthen, 1883
Original description species: St. John & Worthen, 1883
Genus: Deltodopsis St. John & Worthen, 1883
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodopsis inflexus (1)
St. John & Worthen, 1883
Original description species: St. John & Worthen, 1883
Genus: Deltodopsis St. John & Worthen, 1883
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodopsis sancti-ludovici (1)
St. John & Worthen, 1883
Original description species: St. John & Worthen, 1883
Genus: Deltodopsis St. John & Worthen, 1883
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus aff. mercurei (2)
Newberry, 1876
Valid name: Deltodus mercurei
Valid name: Deltodus mercurei
Original description species: Newberry, 1876
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus alatus (1)
Newberry & Worthen, 1870
Original description species: Newberry & Worthen, 1870
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus aliformis (1)
Agassiz,
Original description species: Agassiz,
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus angularis (19)
Newberry & Worthen, 1866
Synonyms: Cochliodus crassus, Deltodus cf. angularis, Deltodus grandis, Orthopleurodus carbonarius, Psammodus rhomboideus, Psammodus semicylindricus, Sandalodus carbonarius, Sandalodus grandis, Trigonodus major
Original description species: Newberry & Worthen, 1866
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus attenuatus (1)
Branson, 1905
Original description species: Branson, 1905
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus cf. angularis (1)
Newberry & Worthen, 1866
Valid name: Deltodus angularis
Valid name: Deltodus angularis
Original description species: Newberry & Worthen, 1866
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus cf. sublaevis (1)
(M'Coy, 1855)
Valid name: Deltodus sublaevis
Valid name: Deltodus sublaevis
Original description species: (M'Coy, 1855)
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus cf. undulatus (1)
Newberry & Worthen, 1866
Valid name: Deltodus undulatus
Valid name: Deltodus undulatus
Original description species: Newberry & Worthen, 1866
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus cinctulus (1)
St. John & Worthen, 1883
Original description species: St. John & Worthen, 1883
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus cinctus (2)
Newberry, 1879
Original description species: Newberry, 1879
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus cingulatus (2)
Newberry & Worthen, 1866
Original description species: Newberry & Worthen, 1866
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus complanatus (3)
Newberry & Worthen, 1866
Valid name: Sandalodus complanatus
Valid name: Sandalodus complanatus
Original description species: Newberry & Worthen, 1866
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus concha (4)
(Trautschold, 1874)
Synonyms: Poecilodus concha, Poecilodus limbatus
Original description species: (Trautschold, 1874)
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus contortus (1)
(St. John & Worthen, 1883)
Original description species: (St. John & Worthen, 1883)
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus costatus (1)
(Newberry & Worthen, 1870)
Original description species: (Newberry & Worthen, 1870)
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus expansus (1)
Davis, 1883
Valid name: Deltodus sublaevis
Valid name: Deltodus sublaevis
Original description species: Davis, 1883
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus fasciatus (1)
Newberry & Worthen, 1870
Original description species: Newberry & Worthen, 1870
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus gibbus (1)
Woodward, 1889
Original description species: Woodward, 1889
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus grandis (3)
Newberry & Worthen, 1866
Valid name: Deltodus angularis
Valid name: Deltodus angularis
Original description species: Newberry & Worthen, 1866
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus hanagavensis (1)
Leriche, 1908
Original description species: Leriche, 1908
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus incrassatus (1)
Trautschold, 1879
Original description species: Trautschold, 1879
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus inornatus (2)
Newberry, 1897
Original description species: Newberry, 1897
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus intermedius (1)
St. John & Worthen, 1883
Original description species: St. John & Worthen, 1883
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus latior (1)
St. John & Worthen, 1883
Original description species: St. John & Worthen, 1883
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus legrandensis (3)
(Branson, 1905)
Synonyms: Psephodus legrandensis
Original description species: (Branson, 1905)
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus littoni (2)

Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus mercuri (1)
Newberry, 1876
Valid name: Deltodus mercurei
Valid name: Deltodus mercurei
Original description species: Newberry, 1876
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus mercurii (4)
Newberry, 1876
Valid name: Deltodus mercurei
Valid name: Deltodus mercurei
Original description species: Newberry, 1876
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus obliquus (1)
(St. John & Worthen, 1883)
Original description species: (St. John & Worthen, 1883)
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus occidentalis (7)
(Leidy, 1857)
Synonyms: Cochliodus occidentalis, Deltodus stellatus, Sandalodus occidentalis
Original description species: (Leidy, 1857)
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus parvus (1)
St. John & Worthen, 1883
Original description species: St. John & Worthen, 1883
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus planidens (2)
Cope, 1894
Original description species: Cope, 1894
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus powellii (1)
St. John & Worthen, 1883
Original description species: St. John & Worthen, 1883
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus propinquus (1)
St. John & Worthen, 1883
Original description species: St. John & Worthen, 1883
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus rhomboideus (1)
Newberry & Worthen, 1866
Original description species: Newberry & Worthen, 1866
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus robustus (2)
(De Koninck, 1878)
Synonyms: Sandalodus robustus
Original description species: (De Koninck, 1878)
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus rugosus (1)
Woodward, 1889
Original description species: Woodward, 1889
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus sandalinus (1)
De Koninck, 1878
Original description species: De Koninck, 1878
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus sp. (16)

Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus spatulatus (5)
Newberry & Worthen, 1866
Original description species: Newberry & Worthen, 1866
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus stellatus (1)
Newberry & Worthen, 1866
Valid name: Deltodus occidentalis
Valid name: Deltodus occidentalis
Original description species: Newberry & Worthen, 1866
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus sublaevis (12)
(M'Coy, 1855)
Synonyms: Deltodus cf. sublaevis, Deltodus expansus, Poecilodus parallelus, Poecilodus sublaevis
Original description species: (M'Coy, 1855)
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus trilobus (1)
St. John & Worthen, 1883
Original description species: St. John & Worthen, 1883
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus tubineus (1)
Richards, Sherwin, Smithson, Bennion, Davies, Marshall & Clack, 2018
Original description species: Richards, Sherwin, Smithson, Bennion, Davies, Marshall & Clack, 2018
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltodus undulatus (3)
Newberry & Worthen, 1866
Synonyms: Deltodus cf. undulatus
Original description species: Newberry & Worthen, 1866
Genus: Deltodus Morris & Roberts, 1862
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Deltoptychius acutus (10)
(M'Coy, 1855)
Synonyms: Cochliodus acutus, Cochliodus compactus, Deltoptychius cf. acutus
Original description species: (M'Coy, 1855)
Genus: Deltoptychius Morris & Roberts, 1862
Subclass: Holocephali
Deltoptychius armigerus (5)
(Traquair, 1887)
Synonyms: Oracanthus armigerus
Original description species: (Traquair, 1887)
Genus: Deltoptychius Morris & Roberts, 1862
Subclass: Holocephali
Deltoptychius cf. acutus (1)
(M'Coy, 1855)
Valid name: Deltoptychius acutus
Valid name: Deltoptychius acutus
Original description species: (M'Coy, 1855)
Genus: Deltoptychius Morris & Roberts, 1862
Subclass: Holocephali
Deltoptychius expansus (1)
St. John & Worthen, 1883
Original description species: St. John & Worthen, 1883
Genus: Deltoptychius Morris & Roberts, 1862
Subclass: Holocephali
Deltoptychius gibberulus (3)
Davis, 1883 (ex Agassiz MSS.)
Original description species: Davis, 1883 (ex Agassiz MSS.)
Genus: Deltoptychius Morris & Roberts, 1862
Subclass: Holocephali
Deltoptychius moythomasi (1)
Patterson, 1965
Original description species: Patterson, 1965
Genus: Deltoptychius Morris & Roberts, 1862
Subclass: Holocephali
Deltoptychius nitidus (1)
(Leidy, 1857)
Original description species: (Leidy, 1857)
Genus: Deltoptychius Morris & Roberts, 1862
Subclass: Holocephali
Deltoptychius primus (1)
St. John & Worthen, 1883
Original description species: St. John & Worthen, 1883
Genus: Deltoptychius Morris & Roberts, 1862
Subclass: Holocephali
Deltoptychius sp. (5)

Genus: Deltoptychius Morris & Roberts, 1862
Subclass: Holocephali
Deltoptychius varsoviensis (1)
St. John & Worthen, 1883
Original description species: St. John & Worthen, 1883
Genus: Deltoptychius Morris & Roberts, 1862
Subclass: Holocephali
Deltoptychius wachsmuthi (1)
St. John & Worthen, 1883
Original description species: St. John & Worthen, 1883
Genus: Deltoptychius Morris & Roberts, 1862
Subclass: Holocephali
Denaea cf. fournieri (4)
Pruvost, 1922
Valid name: Denaea fournieri
Valid name: Denaea fournieri
Original description species: Pruvost, 1922
Genus: Denaea Pruvost, 1922
Family: Falcatidae Zangerl, 1990
Order: Symmoriiformes
Superorder: Cladodontomorphi
Subclass: Holocephali
Denaea cf. williamsi (1)
Ginter & Hansen, 2010
Valid name: Denaea williamsi
Valid name: Denaea williamsi
Original description species: Ginter & Hansen, 2010
Genus: Denaea Pruvost, 1922
Family: Falcatidae Zangerl, 1990
Order: Symmoriiformes
Superorder: Cladodontomorphi
Subclass: Holocephali
Denaea decora (3)
Ivanov, 1999
Original description species: Ivanov, 1999
Genus: Denaea Pruvost, 1922
Family: Falcatidae Zangerl, 1990
Order: Symmoriiformes
Superorder: Cladodontomorphi
Subclass: Holocephali
Denaea fournieri (13)
Pruvost, 1922
Synonyms: Denaea cf. fournieri
Original description species: Pruvost, 1922
Genus: Denaea Pruvost, 1922
Family: Falcatidae Zangerl, 1990
Order: Symmoriiformes
Superorder: Cladodontomorphi
Subclass: Holocephali
Denaea meccaensis (2)
Williams, 1985
Valid name: Stethacanthulus meccaensis
Valid name: Stethacanthulus meccaensis
Original description species: Williams, 1985
Genus: Denaea Pruvost, 1922
Family: Falcatidae Zangerl, 1990
Order: Symmoriiformes
Superorder: Cladodontomorphi
Subclass: Holocephali
Denaea saltsmani (3)
Ginter & Hansen, 2010
Original description species: Ginter & Hansen, 2010
Genus: Denaea Pruvost, 1922
Family: Falcatidae Zangerl, 1990
Order: Symmoriiformes
Superorder: Cladodontomorphi
Subclass: Holocephali
Denaea sp. (25)

Genus: Denaea Pruvost, 1922
Family: Falcatidae Zangerl, 1990
Order: Symmoriiformes
Superorder: Cladodontomorphi
Subclass: Holocephali
Denaea wangi (10)
Wang, Jin & Wang, 2004
Original description species: Wang, Jin & Wang, 2004
Genus: Denaea Pruvost, 1922
Family: Falcatidae Zangerl, 1990
Order: Symmoriiformes
Superorder: Cladodontomorphi
Subclass: Holocephali
Denaea williamsi (5)
Ginter & Hansen, 2010
Synonyms: Denaea cf. williamsi
Original description species: Ginter & Hansen, 2010
Genus: Denaea Pruvost, 1922
Family: Falcatidae Zangerl, 1990
Order: Symmoriiformes
Superorder: Cladodontomorphi
Subclass: Holocephali
Dendrodus arisaigensis (1)
Whiteaves, 1897
Original description species: Whiteaves, 1897
Genus: Dendrodus Whiteaves, 1897
Family: Protodontidae Woodward, 1932
Order: incert. sedis
Subclass: Elasmobranchii
Desinia radiata (1)
Ivanov, Kovalenko, Murashev & Podurets, 2023
Original description species: Ivanov, Kovalenko, Murashev & Podurets, 2023
Genus: Desinia Ivanov, Kovalenko, Murashev & Podurets, 2023
Family: Sphenacanthidae Maisey, 1982
Order: incert. sedis
Cohort: Euselachii
Subclass: Elasmobranchii
Desmacanthus cloacinus (1)
Quenstedt, 1858
Valid name: Nemacanthus monilifer
Valid name: Nemacanthus monilifer
Original description species: Quenstedt, 1858
Genus: Desmacanthus Quenstedt, 1856
Family: Palaeospinacidae Regan, 1906
Order: Synechodontiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Desmiodus costelliferus (3)
St. John & Worthen, 1875
Original description species: St. John & Worthen, 1875
Genus: Desmiodus St. John & Worthen, 1875
Family: incert. fam.
Order: incert. sedis
Subclass: Euchondrocephali
Desmiodus flabellum (2)
St. John & Worthen, 1875
Original description species: St. John & Worthen, 1875
Genus: Desmiodus St. John & Worthen, 1875
Family: incert. fam.
Order: incert. sedis
Subclass: Euchondrocephali
Desmiodus ligoniformis (2)
St. John & Worthen, 1875
Original description species: St. John & Worthen, 1875
Genus: Desmiodus St. John & Worthen, 1875
Family: incert. fam.
Order: incert. sedis
Subclass: Euchondrocephali
Desmiodus minusculus (1)
(Newberry & Worthen, 1866)
Original description species: (Newberry & Worthen, 1866)
Genus: Desmiodus St. John & Worthen, 1875
Family: incert. fam.
Order: incert. sedis
Subclass: Euchondrocephali
Desmiodus salemensis (1)
Branson, 1906
Original description species: Branson, 1906
Genus: Desmiodus St. John & Worthen, 1875
Family: incert. fam.
Order: incert. sedis
Subclass: Euchondrocephali
Desmiodus sp. (2)

Genus: Desmiodus St. John & Worthen, 1875
Family: incert. fam.
Order: incert. sedis
Subclass: Euchondrocephali
Desmiodus tumidus (3)
St. John & Worthen, 1875
Original description species: St. John & Worthen, 1875
Genus: Desmiodus St. John & Worthen, 1875
Family: incert. fam.
Order: incert. sedis
Subclass: Euchondrocephali
Diablodontus michaeledmundi (2)
Hodnett, Elliott & Olson, 2013
Original description species: Hodnett, Elliott & Olson, 2013
Genus: Diablodontus Hodnett, Elliott & Olson, 2013
Family: incert. fam.
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Diabodus tataouinensis (4)
Cuny, Ouaja, Srarfi, Schmitz, Buffetaut & Benton, 2004
Original description species: Cuny, Ouaja, Srarfi, Schmitz, Buffetaut & Benton, 2004
Genus: Diabodus Cuny, Ouaja, Srarfi, Schmitz, Buffetaut & Benton, 2004
Family: fam. indet
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Diacranodus platypternus (2)
(Cope, 1884)
Valid name: Orthacanthus platypternus
Valid name: Orthacanthus platypternus
Original description species: (Cope, 1884)
Genus: Diacranodus Garman, 1885
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Diacranodus texensis (2)
Cope, 1888
Valid name: Orthacanthus texensis
Valid name: Orthacanthus texensis
Original description species: Cope, 1888
Genus: Diacranodus Garman, 1885
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Diademodus dominicus (1)
Roelofs, Playton, Barham & Trinajstic, 2015
Original description species: Roelofs, Playton, Barham & Trinajstic, 2015
Genus: Diademodus Harris, 1951
Family: Phoebodontidae Williams In Zangerl 1981
Order: Phoebodontiformes
Subclass: Elasmobranchii
Diademodus hydei (4)
Harris, 1951
Original description species: Harris, 1951
Genus: Diademodus Harris, 1951
Family: Phoebodontidae Williams In Zangerl 1981
Order: Phoebodontiformes
Subclass: Elasmobranchii
Diademodus utahensis (1)
Ginter, 2008
Original description species: Ginter, 2008
Genus: Diademodus Harris, 1951
Family: Phoebodontidae Williams In Zangerl 1981
Order: Phoebodontiformes
Subclass: Elasmobranchii
Dicentrodus bicuspidatus (8)
(Traquair, 1881)
Synonyms: Anodontacanthus fastigiatus, Cladodus bicuspidatus, Pleuracanthus fastigiatus
Original description species: (Traquair, 1881)
Genus: Dicentrodus Traquair, 1888
Family: Diplodoselachidae Dick, 1981
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Dicentrodus cf. alatus (1)

Valid name: Dicentrodus alatus
Valid name: Dicentrodus alatus
Genus: Dicentrodus Traquair, 1888
Family: Diplodoselachidae Dick, 1981
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Dicentrodus sp. (2)

Genus: Dicentrodus Traquair, 1888
Family: Diplodoselachidae Dick, 1981
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Diclitodus denshumani (3)
(Newberry & Worthen, 1866)
Synonyms: Helodus dens-humani, Helodus denshumani
Original description species: (Newberry & Worthen, 1866)
Genus: Diclitodus Davis, 1883
Family: Helodontidae Patterson, 1965
Order: Helodontiformes
Superorder: Paraselachimorpha
Subclass: Holocephali
Diclitodus scitulus (4)
Davis, 1883
Original description species: Davis, 1883
Genus: Diclitodus Davis, 1883
Family: Helodontidae Patterson, 1965
Order: Helodontiformes
Superorder: Paraselachimorpha
Subclass: Holocephali
Dicrenodus dentatus (1)
(M'Coy, 1855)
Valid name: Carcharopsis prototypus
Valid name: Carcharopsis prototypus
Original description species: (M'Coy, 1855)
Genus: Dicrenodus Romanovsky, 1853
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii
Dicrenodus okensis (2)
Romanovsky, 1853
Valid name: Carcharopsis okensis
Valid name: Carcharopsis okensis
Original description species: Romanovsky, 1853
Genus: Dicrenodus Romanovsky, 1853
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii
Dicrenodus texanus (1)
Eastman, 1917
Original description species: Eastman, 1917
Genus: Dicrenodus Romanovsky, 1853
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii
Dictaea striata (1)
Münster, 1842
Valid name: Janassa bituminosa
Valid name: Janassa bituminosa
Original description species: Münster, 1842
Genus: Dictaea
Subclass: Elasmobranchii
Dictea striata (1)
Münster, 1840
Valid name: Janassa bituminosa
Valid name: Janassa bituminosa
Original description species: Münster, 1840
Genus: Dictea Münster, 1840
Family: Janassidae Jaekel, 1899
Order: Petalodontiformes
Subclass: Euchondrocephali
Didymodus compressus (1)
(Newberry, 1856)
Valid name: Orthacanthus compressus
Valid name: Orthacanthus compressus
Original description species: (Newberry, 1856)
Genus: Didymodus Cope, 1884
Didymodus platypternus (1)
Cope, 1884
Valid name: Orthacanthus platypternus
Valid name: Orthacanthus platypternus
Original description species: Cope, 1884
Genus: Didymodus Cope, 1884
Didymodus texensis (1)
(Cope, 1888)
Valid name: Orthacanthus texensis
Valid name: Orthacanthus texensis
Original description species: (Cope, 1888)
Genus: Didymodus Cope, 1884
Dimeracanthus concentricus (1)
Kaiserling
Original description species: Kaiserling
Genus: Dimeracanthus Keyserling, 1846
Dimylius woodi (1)
Agassiz
Original description species: Agassiz
Genus: Dimylius Davis, 1883
Family: Psammodontidae De Konick, 1878
Order: Psammodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Diplacodus bulboides (1)
Davis, 1884
Original description species: Davis, 1884
Genus: Diplacodus Davis, 1884
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Diplodoselache antiqua (2)
Lebedev, 1996
Original description species: Lebedev, 1996
Genus: Diplodoselache Dick, 1981
Family: Diplodoselachidae Dick, 1981
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Diplodoselache parvulus (7)
(Traquair, 1881)
Synonyms: Diplodus parvulus
Original description species: (Traquair, 1881)
Genus: Diplodoselache Dick, 1981
Family: Diplodoselachidae Dick, 1981
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Diplodoselache woodi (10)
Dick, 1981
Synonyms: Diplodus minutus, Diploselache woodi
Original description species: Dick, 1981
Genus: Diplodoselache Dick, 1981
Family: Diplodoselachidae Dick, 1981
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Diplodus acinaces (1)
Dawson, 1860
Valid name: Xenacanthus acinaces
Valid name: Xenacanthus acinaces
Original description species: Dawson, 1860
Genus: Diplodus Agassiz, 1843
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Diplodus bohemicus (1)
Quenstedt, 1882
Original description species: Quenstedt, 1882
Genus: Diplodus Agassiz, 1843
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Diplodus cf. priscus (1)
Eastman, 1899
Valid name: Wellerodus priscus
Valid name: Wellerodus priscus
Original description species: Eastman, 1899
Genus: Diplodus Agassiz, 1843
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Diplodus compressus (4)
Newberry, 1856
Valid name: Orthacanthus compressus
Valid name: Orthacanthus compressus
Original description species: Newberry, 1856
Genus: Diplodus Agassiz, 1843
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Diplodus duplicatus (2)
Newberry & Worthen, 1866
Valid name: Thrinacodus duplicatus
Valid name: Thrinacodus duplicatus
Original description species: Newberry & Worthen, 1866
Genus: Diplodus Agassiz, 1843
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Diplodus gibbosus (9)
Binney, 1841
Valid name: Orthacanthus gibbosus
Valid name: Orthacanthus gibbosus
Original description species: Binney, 1841
Genus: Diplodus Agassiz, 1843
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Diplodus gracilis (2)
Newberry, 1856
Valid name: Orthacanthus lintonensis
Valid name: Orthacanthus lintonensis
Original description species: Newberry, 1856
Genus: Diplodus Agassiz, 1843
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Diplodus incurvus (2)
Newberry & Worthen, 1866
Valid name: Thrinacodus incurvus
Valid name: Thrinacodus incurvus
Original description species: Newberry & Worthen, 1866
Genus: Diplodus Agassiz, 1843
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Diplodus latus (3)
Newberry, 1856
Valid name: Xenacanthus latus
Valid name: Xenacanthus latus
Original description species: Newberry, 1856
Genus: Diplodus Agassiz, 1843
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Diplodus minutus (3)
Agassiz, 1843
Valid name: Diplodoselache woodi
Valid name: Diplodoselache woodi
Original description species: Agassiz, 1843
Genus: Diplodus Agassiz, 1843
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Diplodus moorei (3)
Woodward, 1889
Valid name: Mooreodontus moorei
Valid name: Mooreodontus moorei
Original description species: Woodward, 1889
Genus: Diplodus Agassiz, 1843
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Diplodus parvulus (5)
Traquair, 1881
Valid name: Diplodoselache parvulus
Valid name: Diplodoselache parvulus
Original description species: Traquair, 1881
Genus: Diplodus Agassiz, 1843
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Diplodus priscus (2)
Eastman, 1899
Valid name: Wellerodus priscus
Valid name: Wellerodus priscus
Original description species: Eastman, 1899
Genus: Diplodus Agassiz, 1843
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Diplodus problematicus (2)
Woodward, 1892
Valid name: Doliodus latispinosus
Valid name: Doliodus latispinosus
Original description species: Woodward, 1892
Genus: Diplodus Agassiz, 1843
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Diplodus sp. (3)

Genus: Diplodus Agassiz, 1843
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Diplodus striatus (3)
Eastman, 1899
Original description species: Eastman, 1899
Genus: Diplodus Agassiz, 1843
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Diplodus tenuis (1)
Woodward, 1889
Valid name: Xenacanthus tenuis
Valid name: Xenacanthus tenuis
Original description species: Woodward, 1889
Genus: Diplodus Agassiz, 1843
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Diplolonchidion murryi (3)
Heckert, 2004
Original description species: Heckert, 2004
Genus: Diplolonchidion Heckert, 2004
Family: Lonchidiidae Herman, 1977
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Diploselache woodi (1)
Dick, 1981
Valid name: Diplodoselache woodi
Valid name: Diplodoselache woodi
Original description species: Dick, 1981
Genus: Diploselache Turner, 1993
Family: Diplodoselachidae Dick, 1981
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Dipristis chimaeroides (2)
Gervais, 1867
Original description species: Gervais, 1867
Genus: Dipristis Marsh, 1870
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali
Diprosopovenator hilperti (2)
Stumpf, Scheer & Kriwet, 2019
Original description species: Stumpf, Scheer & Kriwet, 2019
Genus: Diprosopovenator Stumpf, Scheer & Kriwet, 2019
Family: Pseudoscyliorhinidae Stumpf, Scheer & Kriwet, 2019
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dipturus aff. olisiponensis (2)
(Jonet, 1968)
Valid name: Raja olisiponensis
Valid name: Raja olisiponensis
Original description species: (Jonet, 1968)
Genus: Dipturus Rafinesque, 1810
Family: Rajidae De Blainville, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dipturus casieri (20)
(Steurbaut & Herman, 1978)
Synonyms: Raja casieri, Raja cf. casieri
Original description species: (Steurbaut & Herman, 1978)
Genus: Dipturus Rafinesque, 1810
Family: Rajidae De Blainville, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dipturus olisiponensis (3)
(Jonet, 1968)
Valid name: Raja olisiponensis
Valid name: Raja olisiponensis
Original description species: (Jonet, 1968)
Genus: Dipturus Rafinesque, 1810
Family: Rajidae De Blainville, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Distobatus nutiae (8)
Werner, 1989
Original description species: Werner, 1989
Genus: Distobatus Werner, 1989
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Distobatus sp. (3)

Genus: Distobatus Werner, 1989
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Dittodus acinaces (1)
(Dawson, 1860)
Valid name: Xenacanthus acinaces
Valid name: Xenacanthus acinaces
Original description species: (Dawson, 1860)
Genus: Dittodus Eastman, 1899
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Dittodus compressus (1)
(Newberry, 1856)
Valid name: Orthacanthus compressus
Valid name: Orthacanthus compressus
Original description species: (Newberry, 1856)
Genus: Dittodus Eastman, 1899
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Dittodus gibbosus (1)
(Binney, 1841)
Valid name: Orthacanthus gibbosus
Valid name: Orthacanthus gibbosus
Original description species: (Binney, 1841)
Genus: Dittodus Eastman, 1899
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Dittodus grabaui (2)
Hussakof & Bryant, 1918
Valid name: Omalodus grabaui
Valid name: Omalodus grabaui
Original description species: Hussakof & Bryant, 1918
Genus: Dittodus Eastman, 1899
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Dittodus gracilis (1)
(Newberry, 1856)
Valid name: Orthacanthus lintonensis
Valid name: Orthacanthus lintonensis
Original description species: (Newberry, 1856)
Genus: Dittodus Eastman, 1899
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Dittodus latus (3)
Newberry, 1856
Original description species: Newberry, 1856
Genus: Dittodus Eastman, 1899
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Dittodus lucasi (2)
Hay, 1900
Original description species: Hay, 1900
Genus: Dittodus Eastman, 1899
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Dittodus moorei (1)
(Woodward, 1889)
Valid name: Mooreodontus moorei
Valid name: Mooreodontus moorei
Original description species: (Woodward, 1889)
Genus: Dittodus Eastman, 1899
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Dittodus penetrans (1)
(Dawson, 1860)
Valid name: Xenacanthus penetrans
Valid name: Xenacanthus penetrans
Original description species: (Dawson, 1860)
Genus: Dittodus Eastman, 1899
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Dittodus priscus (2)
(Eastman, 1899)
Valid name: Wellerodus priscus
Valid name: Wellerodus priscus
Original description species: (Eastman, 1899)
Genus: Dittodus Eastman, 1899
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Dittodus sp. (2)

Genus: Dittodus Eastman, 1899
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Dittodus striatus (2)
(Eastman, 1899)
Original description species: (Eastman, 1899)
Genus: Dittodus Eastman, 1899
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Doliobatis weisi (4)
Delsate & Candoni, 2001
Original description species: Delsate & Candoni, 2001
Genus: Doliobatis Delsate & Candoni, 2001
Family: Rhinobatidae Bonaparte, 1835
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Doliodus latispinosus (18)
(Whiteaves, 1881)
Synonyms: Climatius latispinosus, Diplodus problematicus, Doliodus problematicus
Original description species: (Whiteaves, 1881)
Genus: Doliodus Traquair, 1893
Family: Omalodontidae Ginter, Liao, & Valenzuela-Ríos, 2008
Order: Omalodontiformes
Subclass: Elasmobranchii
Doliodus problematicus (11)
(Woodward, 1892)
Valid name: Doliodus latispinosus
Valid name: Doliodus latispinosus
Original description species: (Woodward, 1892)
Genus: Doliodus Traquair, 1893
Family: Omalodontidae Ginter, Liao, & Valenzuela-Ríos, 2008
Order: Omalodontiformes
Subclass: Elasmobranchii
Dolophonodus uncinatus (1)
Branson, 1933
Valid name: Arctacanthus wyomingensis
Valid name: Arctacanthus wyomingensis
Original description species: Branson, 1933
Genus: Dolophonodus Branson, 1933
Doratodus cf. tricuspidatus (1)
Schmid, 1861
Valid name: Serratodasyatis tricuspidata
Valid name: Serratodasyatis tricuspidata
Original description species: Schmid, 1861
Genus: Doratodus Schmid, 1861
Subclass: Elasmobranchii
Doratodus tricuspidatus (5)
Schmid, 1861
Original description species: Schmid, 1861
Genus: Doratodus Schmid, 1861
Subclass: Elasmobranchii
Dorsetoscyllium terraefullonicum (1)
Underwood & Ward, 2004
Original description species: Underwood & Ward, 2004
Genus: Dorsetoscyllium Underwood & Ward, 2004
Family: incert. fam.
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dracipinna bracheri (6)
Pollerspöck & Straube, 2021
Synonyms: Bracheria wallernensis, Bracheria wallerniensis
Original description species: Pollerspöck & Straube, 2021
Genus: Dracipinna Pollerspöck & Straube, 2022
Family: Dalatiidae Gray, 1851
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dracopristis hoffmanorum (2)
Hodnett, Grogan, Lund, Lucas, Suazo, Elliott & Pruitt, 2021
Original description species: Hodnett, Grogan, Lund, Lucas, Suazo, Elliott & Pruitt, 2021
Genus: Dracopristis Hodnett, Grogan, Lund, Lucas, Suazo, Elliott & Pruitt, 2021
Family: incert. fam.
Order: Ctenacanthiformes
Superorder: Cladodontomorphi
Subclass: Elasmobranchii
Drepanacanthus anceps (1)
Newberry & Worthen, 1866
Valid name: Physonemus anceps
Valid name: Physonemus anceps
Original description species: Newberry & Worthen, 1866
Genus: Drepanacanthus Newberry & Worthen, 1866
Family: Symmoriidae Zangerl, 1990
Order: Symmoriiformes
Superorder: Cladodontomorphi
Subclass: Holocephali
Drepanacanthus gemmatus (1)
Newberry & Worthen, 1866
Valid name: Physonemus gemmatus
Valid name: Physonemus gemmatus
Original description species: Newberry & Worthen, 1866
Genus: Drepanacanthus Newberry & Worthen, 1866
Family: Symmoriidae Zangerl, 1990
Order: Symmoriiformes
Superorder: Cladodontomorphi
Subclass: Holocephali
Drepanacanthus reversus (1)
St. John & Worthen, 1875
Original description species: St. John & Worthen, 1875
Genus: Drepanacanthus Newberry & Worthen, 1866
Family: Symmoriidae Zangerl, 1990
Order: Symmoriiformes
Superorder: Cladodontomorphi
Subclass: Holocephali
Drepanacanthus stellatus (1)
Newberry & Worthen, 1866
Original description species: Newberry & Worthen, 1866
Genus: Drepanacanthus Newberry & Worthen, 1866
Family: Symmoriidae Zangerl, 1990
Order: Symmoriiformes
Superorder: Cladodontomorphi
Subclass: Holocephali
Drepanephorus canaliculatus (2)
(Egerton in Dixon, 1850)
Valid name: Heterodontus canaliculatus
Valid name: Heterodontus canaliculatus
Original description species: (Egerton in Dixon, 1850)
Genus: Drepanephorus Egerton, 1872
Family: Heterodontidae Gray, 1851
Order: Heterodontiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dubasodus olgae (1)
Averianov, 1991
Original description species: Averianov, 1991
Genus: Dubasodus Averianov, 1991
Family: Edaphodontidae Owen, 1846
Order: Chimaeriformes
Subclass: Holocephali
Duffinodus nikolaii (1)
Popov, 2003
Original description species: Popov, 2003
Genus: Duffinodus Popov, 2003
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Duffinselache holwellensis (14)
(Duffin, 1998)
Synonyms: Polyacrodus holwellensis
Original description species: (Duffin, 1998)
Genus: Duffinselache Andreev & Cuny, 2012
Family: incert. fam.
Order: incert. sedis
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Duffinselache sp. (1)

Genus: Duffinselache Andreev & Cuny, 2012
Family: incert. fam.
Order: incert. sedis
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Durnonovariaodus maiseyi (1)
Stumpf, Etches, Underwood & Kriwet, 2021
Original description species: Stumpf, Etches, Underwood & Kriwet, 2021
Genus: Durnonovariaodus Stumpf, Etches, Underwood & Kriwet, 2021
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Duwibatis problematica (2)
Cappetta, 1991
Original description species: Cappetta, 1991
Genus: Duwibatis Cappetta, 1991
Family: incert. fam.
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Duwibatis sp. (1)

Genus: Duwibatis Cappetta, 1991
Family: incert. fam.
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dwardius aff. woodwardi (1)
(Herman, 1977)
Valid name: Dwardius woodwardi
Valid name: Dwardius woodwardi
Original description species: (Herman, 1977)
Genus: Dwardius Siverson, 1999
Family: incert. fam.
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dwardius siversoni (3)
(Zhelezko, 2000)
Synonyms: Pseudoisurus siversoni
Original description species: (Zhelezko, 2000)
Genus: Dwardius Siverson, 1999
Family: incert. fam.
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dwardius sp. (6)

Genus: Dwardius Siverson, 1999
Family: incert. fam.
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dwardius sudindicus (3)
Underwood, Goswami, Prasad, Verma & Flynn, 2011
Original description species: Underwood, Goswami, Prasad, Verma & Flynn, 2011
Genus: Dwardius Siverson, 1999
Family: incert. fam.
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dwardius woodwardi (16)
(Herman, 1977)
Synonyms: Cretolamna woodwardi, Cretoxyrhina woodwardi, Dwardius aff. woodwardi
Original description species: (Herman, 1977)
Genus: Dwardius Siverson, 1999
Family: incert. fam.
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dwykaselachus oosthuiseni (1)

Genus: Dwykaselachus Oelofsen, 1986
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii
Dwykaselachus oosthuizeni (2)
Oelofsen, 1986
Original description species: Oelofsen, 1986
Genus: Dwykaselachus Oelofsen, 1986
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii
Dykeius garethi (2)
Cappetta, Morrison & Adnet, 2019
Original description species: Cappetta, Morrison & Adnet, 2019
Genus: Dykeius Cappetta, Morrison & Adnet, 2019
Family: Chlamydoselachidae Garman, 1884
Suborder: Chlamydoselachoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dynatobatis gaudryi (1)
Larrazet, 1886
Valid name: Potamotrygon gaudryi
Valid name: Potamotrygon gaudryi
Original description species: Larrazet, 1886
Genus: Dynatobatis Larrazet, 1886
Family: Potamotrygonidae Garman, 1877
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dynatobatis paranensis (3)
Larrazet, 1886
Valid name: Potamotrygon paranensis
Valid name: Potamotrygon paranensis
Original description species: Larrazet, 1886
Genus: Dynatobatis Larrazet, 1886
Family: Potamotrygonidae Garman, 1877
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dynatobatis rectangularis (2)
Larrazet, 1886
Valid name: Potamotrygon rectangularis
Valid name: Potamotrygon rectangularis
Original description species: Larrazet, 1886
Genus: Dynatobatis Larrazet, 1886
Family: Potamotrygonidae Garman, 1877
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dynatobatis sp. (1)

Genus: Dynatobatis Larrazet, 1886
Family: Potamotrygonidae Garman, 1877
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Dynobatis paranensis (1)
Larrazet, 1886
Valid name: Potamotrygon paranensis
Valid name: Potamotrygon paranensis
Original description species: Larrazet, 1886
Genus: Dynobatis Larrazet, 1886
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii