Echinochimaera meltoni (2)
Lund, 1977
Original description species: Lund, 1977
Genus: Echinochimaera Lund, 1977
Family: Echinochimaeridae Lund, 1977
Suborder: Echinochimaeroidei
Order: Chimaeriformes
Subclass: Holocephali
Echinochimaera snyderi (1)
Lund, 1988
Original description species: Lund, 1988
Genus: Echinochimaera Lund, 1977
Family: Echinochimaeridae Lund, 1977
Suborder: Echinochimaeroidei
Order: Chimaeriformes
Subclass: Holocephali
Echinorhinus aff. pollerspoecki (1)
Pfeil, 1983
Valid name: Echinorhinus pollerspoecki
Valid name: Echinorhinus pollerspoecki
Original description species: Pfeil, 1983
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus australis (7)
(Chapman, 1909)
Synonyms: Corax australis, Pseudocorax australis
Original description species: (Chapman, 1909)
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus blakei (17)
Agassiz, 1856
Original description species: Agassiz, 1856
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus caspius (6)
Glikman, 1964
Synonyms: Echinorhinus cf. caspius
Original description species: Glikman, 1964
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus cf. caspius (1)
Glikman, 1964
Valid name: Echinorhinus caspius
Valid name: Echinorhinus caspius
Original description species: Glikman, 1964
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus cf. priscus (1)
Arambourg, 1952
Valid name: Echinorhinus priscus
Valid name: Echinorhinus priscus
Original description species: Arambourg, 1952
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus cf. riepli (2)
Pfeil, 1981
Valid name: Echinorhinus schoenfeldi
Valid name: Echinorhinus schoenfeldi
Original description species: Pfeil, 1981
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus eyrensis (3)
Pledge, 1992
Original description species: Pledge, 1992
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus kelleyi (3)
Pfeil, 1983
Original description species: Pfeil, 1983
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus lapaoi (3)
Antunes & Cappetta, 2002
Original description species: Antunes & Cappetta, 2002
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus maremagnum (1)
Bogan, Agnolin, Otero, Egli, Suárez, Soto-Acuña & Novas, 2017
Original description species: Bogan, Agnolin, Otero, Egli, Suárez, Soto-Acuña & Novas, 2017
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus pfauntschi (9)
Pfeil, 1983
Original description species: Pfeil, 1983
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus pollerspoecki (7)
Pfeil, 1983
Synonyms: Echinorhinus aff. pollerspoecki
Original description species: Pfeil, 1983
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus possii (1)
Ameghino, 1906
Valid name: Echinorhinus pozzii
Valid name: Echinorhinus pozzii
Original description species: Ameghino, 1906
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus pozzii (7)
Ameghino, 1906
Synonyms: Echinorhinus possii
Original description species: Ameghino, 1906
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus priscus (12)
Arambourg, 1952
Synonyms: Echinorhinus cf. priscus
Original description species: Arambourg, 1952
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus richiardii (5)
Lawley, 1876
Original description species: Lawley, 1876
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus riepli (1)
Pfeil, 1981
Valid name: Paraechinorhinus riepli
Valid name: Paraechinorhinus riepli
Original description species: Pfeil, 1981
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus schoenfeldi (10)
Pfeil, 1983
Synonyms: Echinorhinus cf. riepli
Original description species: Pfeil, 1983
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus sp. (43)

Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus vielhus (2)
Guinot, Cappetta & Adnet, 2014
Original description species: Guinot, Cappetta & Adnet, 2014
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus wadanohanaensis (2)
Kitamura, 2013
Original description species: Kitamura, 2013
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Echinorhinus weltoni (3)
Pfeil, 1983
Original description species: Pfeil, 1983
Genus: Echinorhinus Blainville, 1816
Family: Echinorhinidae Gill, 1862
Order: Echinorhiniformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Edaphodon agassizi (7)
(Buckland, 1835)
Synonyms: Edaphodon agassizii
Original description species: (Buckland, 1835)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon agassizii (2)
(Buckland, 1835)
Valid name: Edaphodon agassizi
Valid name: Edaphodon agassizi
Original description species: (Buckland, 1835)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon antwerpiensis (9)
Leriche, 1926
Original description species: Leriche, 1926
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon arambourgi (2)
Darteville & Casier, 1959
Original description species: Darteville & Casier, 1959
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon barberi (3)
Applegate, 1970
Original description species: Applegate, 1970
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon bucklandi (31)
Agassiz, 1843
Synonyms: Chimaera (Edaphodon) bucklandi, Edaphodon bucklandii, Edaphodon cf. bucklandi, Edaphodon eurygnathus, Ganodus bucklandi
Original description species: Agassiz, 1843
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon bucklandii (1)
Agassiz, 1843
Valid name: Edaphodon bucklandi
Valid name: Edaphodon bucklandi
Original description species: Agassiz, 1843
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon cf. bucklandi (1)
Agassiz, 1843
Valid name: Edaphodon bucklandi
Valid name: Edaphodon bucklandi
Original description species: Agassiz, 1843
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon cf. mirabilis (1)
Chapman & Cudmore, 1924
Valid name: Edaphodon mirabilis
Valid name: Edaphodon mirabilis
Original description species: Chapman & Cudmore, 1924
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon cf. reedi (1)
Newton, 1878
Valid name: Edaphodon reedii
Valid name: Edaphodon reedii
Original description species: Newton, 1878
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon cf. sedgwicki (1)
(Agassiz, 1838)
Valid name: Edaphodon sedgwickii
Valid name: Edaphodon sedgwickii
Original description species: (Agassiz, 1838)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon cf. sweeti (1)
Chapman & Pritchard, 1907
Valid name: Edaphodon sweeti
Valid name: Edaphodon sweeti
Original description species: Chapman & Pritchard, 1907
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon crassus (4)
Newton, 1878
Original description species: Newton, 1878
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon divaricatus (2)
(Cope, 1869)
Original description species: (Cope, 1869)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon eocaenus (3)
(Cope, 1875)
Original description species: (Cope, 1875)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon eolucifer (1)
Popov & Yarkov, 2001
Original description species: Popov & Yarkov, 2001
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon eurygnathus (5)
Agassiz, 1843
Valid name: Edaphodon bucklandi
Valid name: Edaphodon bucklandi
Original description species: Agassiz, 1843
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon eyrensis (3)
Long, 1985
Valid name: Ptyktoptychion eyrensis
Valid name: Ptyktoptychion eyrensis
Original description species: Long, 1985
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon fecundus (2)
(Cope, 1875)
Original description species: (Cope, 1875)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon gaskillii (1)
(Cope, 1875)
Original description species: (Cope, 1875)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon gigas (3)
Egerton
Original description species: Egerton
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon helveticus (1)
(Egerton, 1843)
Valid name: Chimaera helvetica
Valid name: Chimaera helvetica
Original description species: (Egerton, 1843)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon hesperis (1)
Shin, 2010
Original description species: Shin, 2010
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon incrassatus (2)
(Cope, 1875)
Original description species: (Cope, 1875)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon kawai (2)
Consoli, 2006
Original description species: Consoli, 2006
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon laminosus (2)
Newton, 1878
Original description species: Newton, 1878
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon laqueatus (4)
(Leidy, 1873)
Synonyms: Eumylodus laqueatus
Original description species: (Leidy, 1873)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon laterigerus (3)
(Cope, 1869)
Original description species: (Cope, 1869)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon latidens (2)
(Cope, 1875)
Original description species: (Cope, 1875)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon leptognathus (12)
Agassiz, 1843
Original description species: Agassiz, 1843
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon longirostris (1)
(Cope, 1875)
Original description species: (Cope, 1875)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon mantelli (17)
(Buckland, 1835)
Synonyms: Chimaera mantelli, Chimaera mantellii, Chimaera (Psittacodon) mantellii, Edaphodon mantellii, Psittacodon mantellii
Original description species: (Buckland, 1835)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon mantellii (1)
(Buckland, 1835)
Valid name: Edaphodon mantelli
Valid name: Edaphodon mantelli
Original description species: (Buckland, 1835)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon miersii (1)
Marsh, 1869
Original description species: Marsh, 1869
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon minor (2)
Ward, 1973
Original description species: Ward, 1973
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon mirabilis (5)
Chapman & Cudmore, 1924
Synonyms: Edaphodon cf. mirabilis
Original description species: Chapman & Cudmore, 1924
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon mirificus (9)
Leidy, 1856
Synonyms: Ischyodus mirificus
Original description species: Leidy, 1856
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon monolophus (1)
(Cope, 1869)
Original description species: (Cope, 1869)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon pliocenicus (3)
Carraroli, 1897
Original description species: Carraroli, 1897
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon reedi (2)
Newton, 1878
Valid name: Edaphodon reedii
Valid name: Edaphodon reedii
Original description species: Newton, 1878
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon reedii (4)
Newton, 1878
Synonyms: Edaphodon cf. reedi, Edaphodon reedi
Original description species: Newton, 1878
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon renardi (1)
Canevet & Lebrun, 2017
Original description species: Canevet & Lebrun, 2017
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon sedgwicki (10)
(Agassiz, 1838)
Original description species: (Agassiz, 1838)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon sedgwickii (3)
(Agassiz, 1838)
Valid name: Edaphodon sedgwickii
Valid name: Edaphodon sedgwickii
Original description species: (Agassiz, 1838)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon smockii (2)
(Cope, 1869)
Original description species: (Cope, 1869)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon snowhillensis (1)
Gouiric-Cavalli, Cabrera, Cione, O'gorman, Coria & Fernández, 2015
Original description species: Gouiric-Cavalli, Cabrera, Cione, O'gorman, Coria & Fernández, 2015
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon solidulus (2)
(Cope, 1869)
Original description species: (Cope, 1869)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon sp. (34)

Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon stenobryus (3)
(Cope, 1875)
Original description species: (Cope, 1875)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon sweeti (7)
Chapman & Pritchard, 1907
Synonyms: Edaphodon cf. sweeti
Original description species: Chapman & Pritchard, 1907
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edaphodon tripartitus (2)
(Cope, 1875)
Original description species: (Cope, 1875)
Genus: Edaphodon Buckland, 1838
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Edestodus kolomnensis (1)
Lebedev, 2001
Valid name: Edestus kolomnensis
Valid name: Edestus kolomnensis
Original description species: Lebedev, 2001
Genus: Edestodus Obruchev, 1953
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus cf. heinrichi (4)
Newberry & Worthen, 1870
Valid name: Edestus heinrichi
Valid name: Edestus heinrichi
Original description species: Newberry & Worthen, 1870
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus cf. minor (1)
Newberry & Worthen, 1866
Valid name: Edestus minor
Valid name: Edestus minor
Original description species: Newberry & Worthen, 1866
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus cf. newtoni (1)
Woodward, 1917
Valid name: Edestus newtoni
Valid name: Edestus newtoni
Original description species: Woodward, 1917
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus crenulatus (3)
Hay, 1909
Original description species: Hay, 1909
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus davisi (1)
Woodward, 1886
Valid name: Helicoprion davisi
Valid name: Helicoprion davisi
Original description species: Woodward, 1886
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus davisii (1)
Woodward, 1886
Valid name: Helicoprion davisi
Valid name: Helicoprion davisi
Original description species: Woodward, 1886
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus giganteus (1)
Newberry, 1888
Original description species: Newberry, 1888
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus heinrichi (15)
Newberry & Worthen, 1870
Synonyms: Edestus cf. heinrichi, Edestus heinrichii, Edestus heinrichsi
Original description species: Newberry & Worthen, 1870
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus heinrichii (2)
Newberry & Worthen, 1870
Valid name: Edestus heinrichi
Valid name: Edestus heinrichi
Original description species: Newberry & Worthen, 1870
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus heinrichsi (1)
Newberry & Worthen, 1870
Valid name: Edestus heinrichi
Valid name: Edestus heinrichi
Original description species: Newberry & Worthen, 1870
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus karpinskii (1)
Missuna, 1908
Original description species: Missuna, 1908
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus karpinskyi (1)
Missuna, 1908
Original description species: Missuna, 1908
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus kolomnensis (2)
Lebedev, 2001
Synonyms: Edestodus kolomnensis
Original description species: Lebedev, 2001
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus lecontei (1)
Dean, 1897
Valid name: Toxoprion lecontei
Valid name: Toxoprion lecontei
Original description species: Dean, 1897
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus minor (17)
Newberry & Worthen, 1866
Synonyms: Edestus cf. minor
Original description species: Newberry & Worthen, 1866
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus minusculus (2)
Hay, 1909
Original description species: Hay, 1909
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus mirus (3)
Hay, 1912
Original description species: Hay, 1912
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus newtoni (6)
Woodward, 1917
Synonyms: Edestus cf. newtoni, Lestrodus newtoni
Original description species: Woodward, 1917
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus protopirata (4)
Trautschold, 1879
Original description species: Trautschold, 1879
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus reclinatus (1)
Trautschold, 1883
Original description species: Trautschold, 1883
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus serratus (2)
Hay, 1909
Original description species: Hay, 1909
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus sp. (13)

Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus triserratus (3)
Newton, 1904
Original description species: Newton, 1904
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Edestus vorax (4)
Leidy, 1855
Original description species: Leidy, 1855
Genus: Edestus Leidy, 1855
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Egertonodus basanus (37)
(Egerton, 1844)
Synonyms: Hybodus basanus, Hybodus sulcatus
Original description species: (Egerton, 1844)
Genus: Egertonodus Maisey, 1987
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Egertonodus duffini (2)
Rees & Underwood, 2008
Original description species: Rees & Underwood, 2008
Genus: Egertonodus Maisey, 1987
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Egertonodus fraasi (1)
(Brown, 1900)
Valid name: Hybodus fraasi
Valid name: Hybodus fraasi
Original description species: (Brown, 1900)
Genus: Egertonodus Maisey, 1987
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Egertonodus sp. (8)

Genus: Egertonodus Maisey, 1987
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Elasmodectes avitus (7)
(Von Meyer, 1862)
Synonyms: Ischyodus avitus
Original description species: (Von Meyer, 1862)
Genus: Elasmodectes Woodward, 1888
Family: Edaphodontidae Owen, 1846
Order: Chimaeriformes
Subclass: Holocephali
Elasmodectes cf. kiprijanoffi (1)
Nessov in Nessov Et Al., 1988
Valid name: Elasmodectes kiprijanoffi
Valid name: Elasmodectes kiprijanoffi
Original description species: Nessov in Nessov Et Al., 1988
Genus: Elasmodectes Woodward, 1888
Family: Edaphodontidae Owen, 1846
Order: Chimaeriformes
Subclass: Holocephali
Elasmodectes falcatus (13)
(Egerton, 1843)
Synonyms: Chimaera falcata, Chimaera (Psittacodon) falcata, Ganodus falcatus, Ganodus psittacinus, Ischyodus falcatus, Leptacanthus semistriatus, Psittacodon falcatum, Psittacodon falcatus
Original description species: (Egerton, 1843)
Genus: Elasmodectes Woodward, 1888
Family: Edaphodontidae Owen, 1846
Order: Chimaeriformes
Subclass: Holocephali
Elasmodectes secans (2)
Woodward, 1892
Original description species: Woodward, 1892
Genus: Elasmodectes Woodward, 1888
Family: Edaphodontidae Owen, 1846
Order: Chimaeriformes
Subclass: Holocephali
Elasmodectes sp. (3)

Genus: Elasmodectes Woodward, 1888
Family: Edaphodontidae Owen, 1846
Order: Chimaeriformes
Subclass: Holocephali
Elasmodectes willetti (5)
(Newton, 1878)
Synonyms: Elasmognathus willettii
Original description species: (Newton, 1878)
Genus: Elasmodectes Woodward, 1888
Family: Edaphodontidae Owen, 1846
Order: Chimaeriformes
Subclass: Holocephali
Elasmodectes zangerli (2)
Stahl & Chatterjee, 1999
Synonyms: Chimaera zangerli
Original description species: Stahl & Chatterjee, 1999
Genus: Elasmodectes Woodward, 1888
Family: Edaphodontidae Owen, 1846
Order: Chimaeriformes
Subclass: Holocephali
Elasmodus avirostris (1)

Genus: Elasmodus Egerton, 1843
Subclass: Holocephali
Elasmodus cheganicus (1)

Genus: Elasmodus Egerton, 1843
Subclass: Holocephali
Elasmodus crassus (3)
(Hebert, 1854)
Original description species: (Hebert, 1854)
Genus: Elasmodus Egerton, 1843
Subclass: Holocephali
Elasmodus gilli (1)
Hay, 1930
Valid name: Chimaerotheca gilli
Valid name: Chimaerotheca gilli
Original description species: Hay, 1930
Genus: Elasmodus Egerton, 1843
Subclass: Holocephali
Elasmodus greenoughi (6)
(Agassiz, 1838)
Synonyms: Chimaera greenoughii, Elasmodus greenovi
Original description species: (Agassiz, 1838)
Genus: Elasmodus Egerton, 1843
Subclass: Holocephali
Elasmodus greenovi (1)
Agassiz, 1843
Valid name: Elasmodus greenoughi
Valid name: Elasmodus greenoughi
Original description species: Agassiz, 1843
Genus: Elasmodus Egerton, 1843
Subclass: Holocephali
Elasmodus grenoughii (2)
Egerton
Original description species: Egerton
Genus: Elasmodus Egerton, 1843
Subclass: Holocephali
Elasmodus hunteri (26)
Egerton, 1843
Synonyms: Elasmodus hunterii
Original description species: Egerton, 1843
Genus: Elasmodus Egerton, 1843
Subclass: Holocephali
Elasmodus hunterii (2)
Egerton, 1843
Valid name: Elasmodus hunteri
Valid name: Elasmodus hunteri
Original description species: Egerton, 1843
Genus: Elasmodus Egerton, 1843
Subclass: Holocephali
Elasmodus kempi (3)
Ward, 1977
Original description species: Ward, 1977
Genus: Elasmodus Egerton, 1843
Subclass: Holocephali
Elasmodus khosatskyi (1)

Genus: Elasmodus Egerton, 1843
Subclass: Holocephali
Elasmodus planus (1)
(Newton, 1878)
Valid name: Ischyodus planus
Valid name: Ischyodus planus
Original description species: (Newton, 1878)
Genus: Elasmodus Egerton, 1843
Subclass: Holocephali
Elasmodus rossicus (1)
Averianov, 1999
Original description species: Averianov, 1999
Genus: Elasmodus Egerton, 1843
Subclass: Holocephali
Elasmodus sinzovi (1)

Genus: Elasmodus Egerton, 1843
Subclass: Holocephali
Elasmodus sp. (7)

Genus: Elasmodus Egerton, 1843
Subclass: Holocephali
Elasmodus zharyk (1)

Genus: Elasmodus Egerton, 1843
Subclass: Holocephali
Elasmognathus willettii (1)
Newton, 1878
Valid name: Elasmodectes willetti
Valid name: Elasmodectes willetti
Original description species: Newton, 1878
Genus: Elasmognathus Newton, 1878
Family: Edaphodontidae Owen, 1846
Order: Chimaeriformes
Subclass: Holocephali
Elegestolepis grossi (3)
Karatajute-Talimaa, 1973
Original description species: Karatajute-Talimaa, 1973
Genus: Elegestolepis Karatajuté-Talimaa, 1973
Family: Elegestolepididae Andreev, Coates, Karatajute-Talimaa, Shelton, Cooper & Sansom, 2017
Order: Elegestolepidida
Ellesmereia schultzei (1)
Vieth, 1980
Original description species: Vieth, 1980
Genus: Ellesmereia Vieth, 1980
Family: Elegestolepididae Andreev, Coates, Karatajute-Talimaa, Shelton, Cooper & Sansom, 2017
Order: Elegestolepidida
Emerikodus ektrapelus (1)
Trinajstic & George, 2009
Original description species: Trinajstic & George, 2009
Genus: Emerikodus Trinajstic & George, 2009
Family: incert. fam.
Order: Ctenacanthiformes
Superorder: Cladodontomorphi
Subclass: Elasmobranchii
Emsolepis hanspeteri (1)
Turner, 2004
Original description species: Turner, 2004
Genus: Emsolepis Turner, 2004
Family: incert. fam.
Order: incert. sedis
Enantiobatis tarrantensis (1)
Cappetta & Case, 1999
Original description species: Cappetta & Case, 1999
Genus: Enantiobatis Cappetta & Case, 1999
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Engaibatis schultzei (3)
Arratia, Kriwet & Heinrich, 2002
Original description species: Arratia, Kriwet & Heinrich, 2002
Genus: Engaibatis Arratia, Kriwet & Heinrich, 2002
Family: Rhinobatidae Bonaparte, 1835
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Engolismaia couillardi (2)
Vullo & Cappetta & Néraudeau, 2007
Original description species: Vullo & Cappetta & Néraudeau, 2007
Genus: Engolismaia Vullo, Cappetta & Néraudeau, 2007
Family: incert. fam.
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Enniskillen convexus (1)
(Davis, 1883)
Original description species: (Davis, 1883)
Genus: Enniskillen
Subclass: Holocephali
Eoanacorax dalinkevichiusi (1)
Glikman & Shvazhaite, 1971
Valid name: Squalicorax primaevus
Valid name: Squalicorax primaevus
Original description species: Glikman & Shvazhaite, 1971
Genus: Eoanacorax Glikman & Shvazhaite, 1971
Family: Anacoracidae Casier, 1947
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eodalatias austrinalis (1)
Engelbrecht, Mörs, Reguero & Kriwet, 2017
Original description species: Engelbrecht, Mörs, Reguero & Kriwet, 2017
Genus: Eodalatias Engelbrecht, Mörs, Reguero & Kriwet, 2017
Family: Dalatiidae Gray, 1851
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eoetmopterus cf. supracretaceus (2)
Müller & Schöllmann, 1989
Valid name: Eoetmopterus supracretaceus
Valid name: Eoetmopterus supracretaceus
Original description species: Müller & Schöllmann, 1989
Genus: Eoetmopterus Müller & Schöllmann, 1989
Family: Etmopteridae Fowler, 1934
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eoetmopterus sp. (1)

Genus: Eoetmopterus Müller & Schöllmann, 1989
Family: Etmopteridae Fowler, 1934
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eoetmopterus supracretaceous (1)
Müller & Schöllmann, 1989
Valid name: Eoetmopterus supracretaceus
Valid name: Eoetmopterus supracretaceus
Original description species: Müller & Schöllmann, 1989
Genus: Eoetmopterus Müller & Schöllmann, 1989
Family: Etmopteridae Fowler, 1934
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eoetmopterus supracretaceus (13)
Müller & Schöllmann, 1989
Synonyms: Eoetmopterus cf. supracretaceus, Eoetmopterus supracretaceous
Original description species: Müller & Schöllmann, 1989
Genus: Eoetmopterus Müller & Schöllmann, 1989
Family: Etmopteridae Fowler, 1934
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eogaleus bolcensis (10)
Cappetta, 1975
Synonyms: Alopiopsis plejodon
Original description species: Cappetta, 1975
Genus: Eogaleus Cappetta, 1975
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eogaleus sp. (1)

Genus: Eogaleus Cappetta, 1975
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eomanodon simmsi (1)
Ward & Duffin, 1989
Original description species: Ward & Duffin, 1989
Genus: Eomanodon Ward & Duffin, 1989
Family: incert. fam.
Order: Chimaeriformes
Subclass: Holocephali
Eomanta kowaldi (2)
Pfeil, 1981
Synonyms: Mobula irenae
Original description species: Pfeil, 1981
Genus: Eomanta Pfeil, 1981
Family: Mobulidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eometlaouia numidica (2)
(Arambourg, 1952)
Synonyms: Squatirhina numidica
Original description species: (Arambourg, 1952)
Genus: Eometlaouia Noubhani & Cappetta, 2002
Family: Orectolobidae Gill, 1896
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eometlaouia sp. (1)

Genus: Eometlaouia Noubhani & Cappetta, 2002
Family: Orectolobidae Gill, 1896
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eomobula aff. stehmanni (2)
Herman, Hovestadt-Euler & Hovestadt, 1989
Valid name: Eomobula stehmanni
Valid name: Eomobula stehmanni
Original description species: Herman, Hovestadt-Euler & Hovestadt, 1989
Genus: Eomobula Herman, Hovestadt-Euler & Hovestadt, 1989
Family: Mobulidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eomobula sp. (2)

Genus: Eomobula Herman, Hovestadt-Euler & Hovestadt, 1989
Family: Mobulidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eomobula stehmanni (5)
Herman, Hovestadt-Euler & Hovestadt, 1989
Synonyms: Eomobula aff. stehmanni
Original description species: Herman, Hovestadt-Euler & Hovestadt, 1989
Genus: Eomobula Herman, Hovestadt-Euler & Hovestadt, 1989
Family: Mobulidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eonotidanus muensteri (1)
(Agassiz, 1843)
Valid name: Notidanoides muensteri
Valid name: Notidanoides muensteri
Original description species: (Agassiz, 1843)
Genus: Eonotidanus Pfeil, 1983
Family: Crassodontidanidae Kriwet & Klug, 2016
Suborder: Hexanchoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eonotidanus serratus (2)
(Fraas, 1855)
Valid name: Crassodontidanus serratus
Valid name: Crassodontidanus serratus
Original description species: (Fraas, 1855)
Genus: Eonotidanus Pfeil, 1983
Family: Crassodontidanidae Kriwet & Klug, 2016
Suborder: Hexanchoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eoplatyrhina bolcensis (12)
(Heckel, 1851)
Synonyms: Narcopterus bolcanus, Platyrhina bolcensis
Original description species: (Heckel, 1851)
Genus: Eoplatyrhina Marrama, Carnevale, Claeson, Naylor & Kriwet, 2020
Family: Platyrhinidae Jordan, 1923
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eoplinthicus sp. (2)

Genus: Eoplinthicus Cappetta & Stringer, 2002
Family: Mobulidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eoplinthicus underwoodi (1)
Adnet, Cappetta, Guinot & Notarbartolo Di Sciara, 2012
Original description species: Adnet, Cappetta, Guinot & Notarbartolo Di Sciara, 2012
Genus: Eoplinthicus Cappetta & Stringer, 2002
Family: Mobulidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eoplinthicus yazooensis (2)
Cappetta & Stringer, 2002
Original description species: Cappetta & Stringer, 2002
Genus: Eoplinthicus Cappetta & Stringer, 2002
Family: Mobulidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eoptolamna eccentrolopha (2)
Kriwet, Klug, Canudo & Cuenca-Bescos, 2008
Original description species: Kriwet, Klug, Canudo & Cuenca-Bescos, 2008
Genus: Eoptolamna Kriwet, Klug, Canudo. & Cuenca-Bescos, 2008
Family: Eoptolamnidae Kriwet, Klug, Canudo & Cuenca-Bescos, 2008
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eoptolamna supracretacea (4)
Guinot, Underwood, Cappetta & Ward, 2013
Original description species: Guinot, Underwood, Cappetta & Ward, 2013
Genus: Eoptolamna Kriwet, Klug, Canudo. & Cuenca-Bescos, 2008
Family: Eoptolamnidae Kriwet, Klug, Canudo & Cuenca-Bescos, 2008
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eorhincodon sp. (1)

Genus: Eorhincodon Li, 1995
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eorhincodon tianshanensis (1)
Li, 1995
Original description species: Li, 1995
Genus: Eorhincodon Li, 1995
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eorhincodon* casei (3)
Nessov, 1999
Valid name: Pseudomegachasma casei
Valid name: Pseudomegachasma casei
Original description species: Nessov, 1999
Genus: Eorhincodon* Nessov, 1999
Family: Rhincodontidae Garman, 1913
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eorhinobatos primaevus (8)
(De Zigno, 1874)
Synonyms: Rhinobatos primaevus, Rhinobatus primaevus
Original description species: (De Zigno, 1874)
Genus: Eorhinobatos Marramà, Carnevale, Naylor, Varese, Giusberti & Kriwet, 2020
Family: Rhinobatidae Bonaparte, 1835
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eorhinoptera grabdai (1)
Case, Cook & Wilson, 2011
Original description species: Case, Cook & Wilson, 2011
Genus: Eorhinoptera Case, Cook & Wilson, 2011
Family: Rhinopteridae Jordan & Evermann, 1896
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eoscymnus anthonisi (1)
Herman & Van Den Eeckhaut, 2010
Original description species: Herman & Van Den Eeckhaut, 2010
Genus: Eoscymnus Herman & Van Den Eeckhaut, 2010
Family: Eoscymnidae Herman & Van Den Eeckhaut, 2010
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eosqualiolus aturensis (5)
Adnet, 2006
Original description species: Adnet, 2006
Genus: Eosqualiolus Adnet, 2006
Family: Dalatiidae Gray, 1851
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eosqualiolus skrovinai (1)
Underwood & Schlögl, 2013
Original description species: Underwood & Schlögl, 2013
Genus: Eosqualiolus Adnet, 2006
Family: Dalatiidae Gray, 1851
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eostegostoma aff. angustum (4)
Nolf & Taverne in Herman, 1977
Valid name: Eostegostoma angustum
Valid name: Eostegostoma angustum
Original description species: Nolf & Taverne in Herman, 1977
Genus: Eostegostoma Herman, 1977
Family: Brachaeluridae Applegate, 1974
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eostegostoma angusta (4)
Nolf & Taverne in Herman, 1977
Valid name: Eostegostoma angustum
Valid name: Eostegostoma angustum
Original description species: Nolf & Taverne in Herman, 1977
Genus: Eostegostoma Herman, 1977
Family: Brachaeluridae Applegate, 1974
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eostegostoma angustum (14)
Nolf & Taverne in Herman, 1977
Synonyms: Eostegostoma aff. angustum, Eostegostoma angusta
Original description species: Nolf & Taverne in Herman, 1977
Genus: Eostegostoma Herman, 1977
Family: Brachaeluridae Applegate, 1974
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eostegostoma sp. (8)

Genus: Eostegostoma Herman, 1977
Family: Brachaeluridae Applegate, 1974
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eostriatolamia aktobensis (2)
Zhelezko, 1987
Original description species: Zhelezko, 1987
Genus: Eostriatolamia Glikman, 1980
Family: Cretoxyrhinidae Glickman, 1958
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eostriatolamia gracilis (1)
(Agassiz, 1843)
Valid name: Anomotodon gracilis
Valid name: Anomotodon gracilis
Original description species: (Agassiz, 1843)
Genus: Eostriatolamia Glikman, 1980
Family: Cretoxyrhinidae Glickman, 1958
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eostriatolamia holmdelensis (2)
(Cappetta & Case, 1975)
Valid name: Carcharias holmdelensis
Valid name: Carcharias holmdelensis
Original description species: (Cappetta & Case, 1975)
Genus: Eostriatolamia Glikman, 1980
Family: Cretoxyrhinidae Glickman, 1958
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eostriatolamia lerichei (2)
Glikman & Zhelezko in Zhelezko, 1977
Original description species: Glikman & Zhelezko in Zhelezko, 1977
Genus: Eostriatolamia Glikman, 1980
Family: Cretoxyrhinidae Glickman, 1958
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eostriatolamia paucicorrugata (4)
Underwood & Cumbaa, 2010
Original description species: Underwood & Cumbaa, 2010
Genus: Eostriatolamia Glikman, 1980
Family: Cretoxyrhinidae Glickman, 1958
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eostriatolamia segedini (2)
Glikman & Zhelezko in Zhelezko, 1977
Original description species: Glikman & Zhelezko in Zhelezko, 1977
Genus: Eostriatolamia Glikman, 1980
Family: Cretoxyrhinidae Glickman, 1958
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eostriatolamia sp. (6)

Genus: Eostriatolamia Glikman, 1980
Family: Cretoxyrhinidae Glickman, 1958
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eostriatolamia striatula (4)
(Dalinkevicius, 1935)
Valid name: Carcharias striatula
Valid name: Carcharias striatula
Original description species: (Dalinkevicius, 1935)
Genus: Eostriatolamia Glikman, 1980
Family: Cretoxyrhinidae Glickman, 1958
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eostriatolamia subulata (41)
(Agassiz, 1843)
Synonyms: Carcharias subulata, Carcharias subulatus, Cretolamna subulata, Lamna subulata, Lamna (Odontaspis) cf. subulata, Lamna (Odontaspis) subulata, Odontaspis subulata, Odontaspis subulatus, Scapanorhynchus cf. subulatus, Scapanorhynchus subulata, Scapanorhynchus (Odontaspis) subulatus
Original description species: (Agassiz, 1843)
Genus: Eostriatolamia Glikman, 1980
Family: Cretoxyrhinidae Glickman, 1958
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eostriatolamia tenuiplicatus (3)
(Cappetta & Case, 1975)
Valid name: Cenocarcharias tenuiplicatus
Valid name: Cenocarcharias tenuiplicatus
Original description species: (Cappetta & Case, 1975)
Genus: Eostriatolamia Glikman, 1980
Family: Cretoxyrhinidae Glickman, 1958
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eostriatolamia venusta (7)
(Leriche, 1906)
Synonyms: Lamna cf. venusta, Lamna venusta, Plicatolamna venusta
Original description species: (Leriche, 1906)
Genus: Eostriatolamia Glikman, 1980
Family: Cretoxyrhinidae Glickman, 1958
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eotorpedo hilgendorfi (17)
(Jaekel, 1904)
Synonyms: Torpedo hilgendorfi
Original description species: (Jaekel, 1904)
Genus: Eotorpedo White, 1934
Family: Torpedinidae Bonaparte, 1838
Order: Torpediniformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eotorpedo jaekeli (5)
White, 1934
Original description species: White, 1934
Genus: Eotorpedo White, 1934
Family: Torpedinidae Bonaparte, 1838
Order: Torpediniformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eotorpedo nolfi (2)
Herman, 1974
Original description species: Herman, 1974
Genus: Eotorpedo White, 1934
Family: Torpedinidae Bonaparte, 1838
Order: Torpediniformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eotorpedo sp. (1)

Genus: Eotorpedo White, 1934
Family: Torpedinidae Bonaparte, 1838
Order: Torpediniformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eotorpedo zennaroi (1)
Cappetta, 1988
Original description species: Cappetta, 1988
Genus: Eotorpedo White, 1934
Family: Torpedinidae Bonaparte, 1838
Order: Torpediniformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eoxyphodolamia mangislakensis (2)
Glikman, 1980
Original description species: Glikman, 1980
Genus: Eoxyphodolamia Glikman, 1980
Family: incert. fam.
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Erguitaia arganiae (2)
(Arambourg, 1952)
Synonyms: Rhynchobatus arganiae
Original description species: (Arambourg, 1952)
Genus: Erguitaia Cappetta, 1989
Family: incert. fam.
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Erguitaia benningensis (1)
Case, Schwimmer, Borodin & Leggett, 2001
Valid name: Ptychotrygon benningensis
Valid name: Ptychotrygon benningensis
Original description species: Case, Schwimmer, Borodin & Leggett, 2001
Genus: Erguitaia Cappetta, 1989
Family: incert. fam.
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Erguitaia misrensis (1)
Cappetta, 1991
Original description species: Cappetta, 1991
Genus: Erguitaia Cappetta, 1989
Family: incert. fam.
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Erguitaia rugosa (1)
Case, Schwimmer, Borodin & Leggett, 2001
Valid name: Ptychotrygon rugosa
Valid name: Ptychotrygon rugosa
Original description species: Case, Schwimmer, Borodin & Leggett, 2001
Genus: Erguitaia Cappetta, 1989
Family: incert. fam.
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Erguitaia sp. (1)

Genus: Erguitaia Cappetta, 1989
Family: incert. fam.
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Erikodus groenlandensis (3)
(Nielsen, 1932)
Synonyms: Agassizodus gronlandicus
Original description species: (Nielsen, 1932)
Genus: Erikodus Nielsen, 1952
Family: Caseodontidae Zangerl, 1981
Superfamily: Caseodontoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Erismacanthus barbatus (1)
Eastman, 1903
Original description species: Eastman, 1903
Genus: Erismacanthus Mccoy, 1848
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Erismacanthus formosus (1)
Eastman, 1902
Original description species: Eastman, 1902
Genus: Erismacanthus Mccoy, 1848
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Erismacanthus jonesi (2)
M'coy, 1848
Synonyms: Erismacanthus jonesii
Original description species: M'coy, 1848
Genus: Erismacanthus Mccoy, 1848
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Erismacanthus jonesii (1)
M'coy, 1848
Valid name: Erismacanthus jonesi
Valid name: Erismacanthus jonesi
Original description species: M'coy, 1848
Genus: Erismacanthus Mccoy, 1848
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Erismacanthus maccoyanus (4)
St. John & Worthen, 1875
Original description species: St. John & Worthen, 1875
Genus: Erismacanthus Mccoy, 1848
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Erismacanthus major (2)
Davis, 1883
Synonyms: Cladacanthus major
Original description species: Davis, 1883
Genus: Erismacanthus Mccoy, 1848
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali
Ertychius intermedius (1)
Ginter, Hairapetian & Grigoryan, 2011
Original description species: Ginter, Hairapetian & Grigoryan, 2011
Genus: Ertychius Ginter, Hairapetian & Grigoryan, 2011
Family: incert. fam.
Order: Ctenacanthiformes
Superorder: Cladodontomorphi
Subclass: Elasmobranchii
Erythrobatis cuspidata (1)
Cappetta, 1991
Original description species: Cappetta, 1991
Genus: Erythrobatis Cappetta, 1991
Family: incert. fam.
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Etmopterus acutidens (3)
Casier, 1966
Original description species: Casier, 1966
Genus: Etmopterus Rafinesque, 1810
Family: Etmopteridae Fowler, 1934
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Etmopterus cahuzaci (5)
Adnet, 2006
Original description species: Adnet, 2006
Genus: Etmopterus Rafinesque, 1810
Family: Etmopteridae Fowler, 1934
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Etmopterus hemmooriensis (1)
Herman, 1982
Valid name: Proetmopterus hemmooriensis
Valid name: Proetmopterus hemmooriensis
Original description species: Herman, 1982
Genus: Etmopterus Rafinesque, 1810
Family: Etmopteridae Fowler, 1934
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Etmopterus sp. (57)

Genus: Etmopterus Rafinesque, 1810
Family: Etmopteridae Fowler, 1934
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Euacanthus margaritatus (1)
Trautschold, 1883
Original description species: Trautschold, 1883
Genus: Euacanthus Trautschold, 1883
Subclass: Elasmobranchii
Eucentrurus paradoxus (1)
Traquair, 1901
Original description species: Traquair, 1901
Genus: Eucentrurus Traquair, 1901
Eucrossorhinus microcuspidatus (4)
Case, 1978
Valid name: Cretorectolobus microcuspidatus
Valid name: Cretorectolobus microcuspidatus
Original description species: Case, 1978
Genus: Eucrossorhinus Regan, 1908
Family: Orectolobidae Gill, 1896
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Euctenius unilateralis (1)
Barkas, 1869
Original description species: Barkas, 1869
Genus: Euctenius Barkas, 1874
Family: Edestidae Jaekel, 1899
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Euctenodopsis tenuis (2)
Wellburn, 1901
Original description species: Wellburn, 1901
Genus: Euctenodopsis Wellburn, 1901
Family: incert. fam.
Order: incert. sedis
Eugaleus aff. minor (1)
(Agassiz, 1835)
Valid name: Physogaleus minor
Valid name: Physogaleus minor
Original description species: (Agassiz, 1835)
Genus: Eugaleus Gill, 1864
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugaleus aff. minutissimus (1)
Arambourg, 1935
Valid name: Galeorhinus minutissimus
Valid name: Galeorhinus minutissimus
Original description species: Arambourg, 1935
Genus: Eugaleus Gill, 1864
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugaleus affinis (2)
(Probst, 1878)
Valid name: Chaenogaleus affinis
Valid name: Chaenogaleus affinis
Original description species: (Probst, 1878)
Genus: Eugaleus Gill, 1864
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugaleus beaugei (1)
Arambourg, 1935
Valid name: Abdounia beaugei
Valid name: Abdounia beaugei
Original description species: Arambourg, 1935
Genus: Eugaleus Gill, 1864
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugaleus falconeri (2)
White, 1926
Valid name: Pachygaleus lefevrei
Valid name: Pachygaleus lefevrei
Original description species: White, 1926
Genus: Eugaleus Gill, 1864
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugaleus latus (10)
(Storms, 1894)
Valid name: Physogaleus latus
Valid name: Physogaleus latus
Original description species: (Storms, 1894)
Genus: Eugaleus Gill, 1864
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugaleus lefevrei (2)
(Daimeries, 1891)
Valid name: Pachygaleus lefevrei
Valid name: Pachygaleus lefevrei
Original description species: (Daimeries, 1891)
Genus: Eugaleus Gill, 1864
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugaleus minor (8)
(Agassiz, 1835)
Valid name: Physogaleus minor
Valid name: Physogaleus minor
Original description species: (Agassiz, 1835)
Genus: Eugaleus Gill, 1864
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugaleus minutissimus (1)
Arambourg, 1935
Valid name: Galeorhinus minutissimus
Valid name: Galeorhinus minutissimus
Original description species: Arambourg, 1935
Genus: Eugaleus Gill, 1864
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugaleus recticonus (2)
(Winkler, 1873)
Valid name: Pseudabdounia recticona
Valid name: Pseudabdounia recticona
Original description species: (Winkler, 1873)
Genus: Eugaleus Gill, 1864
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugaleus sp. (4)

Genus: Eugaleus Gill, 1864
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugaleus ypresiensis (1)
Casier, 1946
Valid name: Galeorhinus ypresiensis
Valid name: Galeorhinus ypresiensis
Original description species: Casier, 1946
Genus: Eugaleus Gill, 1864
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugenodus richardsoni (1)
Zangerl, 1981
Original description species: Zangerl, 1981
Genus: Eugenodus Zangerl, 1981
Family: Eugeneodontidae Zangerl, 1981
Superfamily: Caseodontoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali
Euglossodus fastigiatus (1)

Genus: Euglossodus White & Moy-Thomas, 1940
Family: incert. fam.
Order: incert. sedis
Subclass: Euchondrocephali
Euglossodus linguabovis (4)
(M'coy, 1848)
Synonyms: Glossodus lingua-bovis, Glossodus marginatus
Original description species: (M'coy, 1848)
Genus: Euglossodus White & Moy-Thomas, 1940
Family: incert. fam.
Order: incert. sedis
Subclass: Euchondrocephali
Eugomphodus acutissima (3)
(Agassiz, 1843)
Valid name: Carcharias contortidens
Valid name: Carcharias contortidens
Original description species: (Agassiz, 1843)
Genus: Eugomphodus Gill, 1861
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugomphodus acutissimus (1)
(Agassiz, 1843)
Valid name: Carcharias contortidens
Valid name: Carcharias contortidens
Original description species: (Agassiz, 1843)
Genus: Eugomphodus Gill, 1861
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugomphodus cf. substriata (1)
(Stromer, 1910)
Valid name: Carcharias substriatus
Valid name: Carcharias substriatus
Original description species: (Stromer, 1910)
Genus: Eugomphodus Gill, 1861
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugomphodus cuspidatus (2)
(Agassiz, 1843)
Valid name: Araloselachus cuspidatus
Valid name: Araloselachus cuspidatus
Original description species: (Agassiz, 1843)
Genus: Eugomphodus Gill, 1861
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugomphodus hopei (2)
(Agassiz, 1843)
Valid name: Hypotodus verticalis
Valid name: Hypotodus verticalis
Original description species: (Agassiz, 1843)
Genus: Eugomphodus Gill, 1861
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugomphodus macrota (2)
(Agassiz, 1838)
Valid name: Striatolamia macrota
Valid name: Striatolamia macrota
Original description species: (Agassiz, 1838)
Genus: Eugomphodus Gill, 1861
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugomphodus macrotus (2)
(Agassiz, 1838)
Valid name: Striatolamia macrotus
Valid name: Striatolamia macrotus
Original description species: (Agassiz, 1838)
Genus: Eugomphodus Gill, 1861
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugomphodus sp. (1)

Genus: Eugomphodus Gill, 1861
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugomphodus striatus (1)
(Winkler, 1874)
Valid name: Striatolamia striata
Valid name: Striatolamia striata
Original description species: (Winkler, 1874)
Genus: Eugomphodus Gill, 1861
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugomphodus striatus exilis (1)
(Leriche, 1942)
Original description species: (Leriche, 1942)
Genus: Eugomphodus Gill, 1861
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugomphodus striatus semistriatus (1)
(Leriche, 1942)
Original description species: (Leriche, 1942)
Genus: Eugomphodus Gill, 1861
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugomphodus striatus striatus (1)
(Winkler, 1874)
Original description species: (Winkler, 1874)
Genus: Eugomphodus Gill, 1861
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugomphodus teretidens (1)
(White, 1931)
Valid name: Sylvestrilamia teretidens
Valid name: Sylvestrilamia teretidens
Original description species: (White, 1931)
Genus: Eugomphodus Gill, 1861
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugomphodus verticalis (1)
(Agassiz, 1843)
Valid name: Hypotodus verticalis
Valid name: Hypotodus verticalis
Original description species: (Agassiz, 1843)
Genus: Eugomphodus Gill, 1861
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugomphodus vincenti (1)
(Woodward, 1899)
Valid name: Hypotodus verticalis
Valid name: Hypotodus verticalis
Original description species: (Woodward, 1899)
Genus: Eugomphodus Gill, 1861
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eugomphodus winkleri (1)
(Leriche, 1905)
Valid name: Odontaspis winkleri
Valid name: Odontaspis winkleri
Original description species: (Leriche, 1905)
Genus: Eugomphodus Gill, 1861
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eumylodus laqueatus (2)
Leidy, 1873
Valid name: Edaphodon laqueatus
Valid name: Edaphodon laqueatus
Original description species: Leidy, 1873
Genus: Eumylodus
Family: Callorhinchidae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali
Eunemacanthus costatus (1)
(Newberry & Worthen, 1866)
Original description species: (Newberry & Worthen, 1866)
Genus: Eunemacanthus St. John & Worthen, 1875
Family: Ctenacanthidae Dean, 1909
Order: Ctenacanthiformes
Superorder: Cladodontomorphi
Subclass: Elasmobranchii
Eunemacanthus heterogyrus (1)

Genus: Eunemacanthus St. John & Worthen, 1875
Family: Ctenacanthidae Dean, 1909
Order: Ctenacanthiformes
Superorder: Cladodontomorphi
Subclass: Elasmobranchii
Eunemacanthus keytei (1)
Branson, 1916
Original description species: Branson, 1916
Genus: Eunemacanthus St. John & Worthen, 1875
Family: Ctenacanthidae Dean, 1909
Order: Ctenacanthiformes
Superorder: Cladodontomorphi
Subclass: Elasmobranchii
Eunemacanthus krapivnensis (1)
Lebedev, 1996
Original description species: Lebedev, 1996
Genus: Eunemacanthus St. John & Worthen, 1875
Family: Ctenacanthidae Dean, 1909
Order: Ctenacanthiformes
Superorder: Cladodontomorphi
Subclass: Elasmobranchii
Eunemacanthus sp. (1)

Genus: Eunemacanthus St. John & Worthen, 1875
Family: Ctenacanthidae Dean, 1909
Order: Ctenacanthiformes
Superorder: Cladodontomorphi
Subclass: Elasmobranchii
Eunemacanthus venator (1)

Genus: Eunemacanthus St. John & Worthen, 1875
Family: Ctenacanthidae Dean, 1909
Order: Ctenacanthiformes
Superorder: Cladodontomorphi
Subclass: Elasmobranchii
Euphyacanthus semistriatus (3)
Traquair, 1894
Valid name: Tristychius semistriatus
Valid name: Tristychius semistriatus
Original description species: Traquair, 1894
Genus: Euphyacanthus Traquair, 1894
Family: Tristychiidae Moy-Thomas, 1936
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii
Euprotomicroides sp. (3)

Genus: Euprotomicroides Hulley & Penrith, 1966
Family: Dalatiidae Gray, 1851
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Euryarthra münsteri (2)
Agassiz, 1843
Original description species: Agassiz, 1843
Genus: Euryarthra Agassiz, 1843
Family: Rhinobatidae Bonaparte, 1835
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Ewingia cf. problematica (1)
Case & Cappetta, 1997
Valid name: Tomewingia problematica
Valid name: Tomewingia problematica
Original description species: Case & Cappetta, 1997
Genus: Ewingia Case & Cappetta, 1997
Family: incert. fam.
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Ewingia problematica (2)
Case & Cappetta, 1997
Valid name: Tomewingia problematica
Valid name: Tomewingia problematica
Original description species: Case & Cappetta, 1997
Genus: Ewingia Case & Cappetta, 1997
Family: incert. fam.
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Expleuracanthus commailli (1)
Heyler & Poplin, 1982
Valid name: Orthacanthus commailli
Valid name: Orthacanthus commailli
Original description species: Heyler & Poplin, 1982
Genus: Expleuracanthus Heyler, 1969
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Expleuracanthus frossardi (1)
(Gaudry, 1883)
Valid name: nomen nudum
Valid name: nomen nudum
Original description species: (Gaudry, 1883)
Genus: Expleuracanthus Heyler, 1969
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Expleuracanthus gaudryi (1)
(Heyler, 1969)
Original description species: (Heyler, 1969)
Genus: Expleuracanthus Heyler, 1969
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Expleuracanthus sp. (4)

Genus: Expleuracanthus Heyler, 1969
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii
Eychlaodus lundgreni (1)
(Davis, 1890)
Valid name: Sphenodus lundgreni
Valid name: Sphenodus lundgreni
Original description species: (Davis, 1890)
Genus: Eychlaodus Glikman, 1957
Family: Orthacodontidae Glikman, 1957
Suborder: Hexanchoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii
Eypea leesi (2)
Underwood & Ward, 2004
Original description species: Underwood & Ward, 2004
Genus: Eypea Underwood & Ward, 2004
Family: Scyliorhinidae Gill, 1862
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii