Synonyms: Scyliorhinus africanus Arambourg 1952
Original description species: (Arambourg, 1952)
Genus: Abdounia Cappetta, 1980
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Abdounia aff. beaugei, Abdounia recticonus garnhami, Eugaleus beaugei, Galeorhinus beaugei, Galeus doncieuxi, Scyliorhinus beaugei
Original description species: (Arambourg, 1935)
Genus: Abdounia Cappetta, 1980
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Mollen, 2007
Genus: Abdounia Cappetta, 1980
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Scyliorhinus biauriculatus, Scyliorhinus minutissimus biauriculatus
Original description species: (Casier, 1946)
Genus: Abdounia Cappetta, 1980
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Scyliorhinus enniskilleni
Original description species: (White, 1956)
Genus: Abdounia Cappetta, 1980
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Scyliorhinus beaugei finalis
Original description species: (Arambourg, 1952)
Genus: Abdounia Cappetta, 1980
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Abdounia aff. furimskyi, Negaprion furimskyi
Original description species: (Case, 1980)
Genus: Abdounia Cappetta, 1980
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Abdounia kashiensis
Original description species: Cappetta & Nolf, 1981
Genus: Abdounia Cappetta, 1980
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Malyshkina, 2012
Genus: Abdounia Cappetta, 1980
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Engelbrecht, Mörs, Reguero & Kriwet, 2017
Genus: Abdounia Cappetta, 1980
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Abdounia aff. minutissima, Abdounia minutissimus, Catulus aff. minutissimus, Catulus (Scyllium) aff. minutissimus, Odontaspis minutissimus, Otodus minutissimus, Scyliorhinus minutissimus, Scyllium aff. minutissimum, Scyllium cf. minutissimum, Scyllium minutissimum, Scyllium minutissimus
Original description species: (Winkler, 1874)
Genus: Abdounia Cappetta, 1980
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Averianov & Udovitshenko, 1993
Genus: Abdounia Cappetta, 1980
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Engelbrecht, Mörs, Reguero & Kriwet, 2017
Genus: Abdounia Cappetta, 1980
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Malyshkina, 2012
Genus: Abdounia Cappetta, 1980
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Eastman, 1902
Genus: Acanthodes Agassiz, 1833
Family: Acanthodidae Huxley, 1861
Order: Acanthodiformes

Original description species: Agassiz, 1832
Genus: Acanthodes Agassiz, 1833
Family: Acanthodidae Huxley, 1861
Order: Acanthodiformes

Original description species: Heidtke, 2011
Genus: Acanthodes Agassiz, 1833
Family: Acanthodidae Huxley, 1861
Order: Acanthodiformes

Original description species: Eastman, 1902
Genus: Acanthodes Agassiz, 1833
Family: Acanthodidae Huxley, 1861
Order: Acanthodiformes

Original description species: Wellburn, 1901
Genus: Acanthodes Agassiz, 1833
Family: Acanthodidae Huxley, 1861
Order: Acanthodiformes

Synonyms: Acanthorhachis cf. spinatus, Listracanthus spinatus, Listracanthus wardi
Original description species: (Bolton, 1896)
Genus: Acanthorhachis Martill,Del Strother & Gallien, 2014
Family: Listracanthidae Martill,Del Strother & Gallien, 2014
Subclass: Elasmobranchii

Original description species: Fraas, 1910
Genus: Acanthorhina Fraas, 1910
Family: Myriacanthidae Woodward, 1889
Suborder: Myriacanthoidei
Subclass: Holocephali

Synonyms: Acanthoscyllium sahel almae, Mesiteia sahel-almae, Scyllium sahel almae
Original description species: (Pictet & Humbert, 1866)
Genus: Acanthoscyllium Cappetta, 1980
Family: Hemiscylliidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Hussakof & Bryant, 1918
Genus: Acmoniodus Hussakof & Bryant, 1918
Family: Cochliodontidae Owen, 1867
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali

Original description species: Davis, 1883
Genus: Acondylacanthus St. John & Worthen, 1875
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii

Original description species: Davis, 1883
Genus: Acondylacanthus St. John & Worthen, 1875
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii

Synonyms: Acondylacanthus (Ctenacanthus) distans, Ctenacanthus distans
Original description species: M'Coy, 1848
Genus: Acondylacanthus St. John & Worthen, 1875
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii

Original description species: Zideck, 1976
Genus: Acondylacanthus St. John & Worthen, 1875
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii

Synonyms: Ctenacanthus jaekeli
Original description species: (Gross, 1933)
Genus: Acondylacanthus St. John & Worthen, 1875
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii

Original description species: St. John & Worthen, 1883
Genus: Acondylacanthus St. John & Worthen, 1875
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii

Synonyms: Acondylacanthus (Ctenacanthus) tenuistriatus
Original description species: Davis, 1883
Genus: Acondylacanthus St. John & Worthen, 1875
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii

Original description species: Reuss, 1845
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Wemple, 1906
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Giebel, 1848
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Acrodus cf. anningiae, Acrodus nobilis vel anningiae, Acrodus undulatus
Original description species: Agassiz, 1839
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Xue, 1980
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Xing-Xu, 1980
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Rees & Underwood, 2006
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Cuny, Rieppel & Sander, 2001
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Hybodus curtus
Original description species: (Agassiz, 1837)
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: De Koninck, 1863
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Schafhäutl, 1863
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Acrodus brauni, Acrodus braunii, Acrodus cf. gaillardoti, Acrodus gaillardotii
Original description species: Geinitz, 1837
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Costa, 1864
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Mutter, 1998
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Dalinkevicius, 1935
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Agassiz, 1839
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Waagen, 1895
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Cuny, Liard, Deesri, Liard, Khamha & Suteethorn, 2013
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Acrodonchus lateralis, Acrodus cf. lateralis, Hybodus thuringiae
Original description species: Agassiz, 1839
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Delsate & Duffin, 1999
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Acrodus gibberulus, Acrodus latus
Original description species: Buckland, 1836
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Acrodus cf. olsoni
Original description species: Johnson, 1981
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Acrodus cf. oreodontus, Acrodus creodontus
Original description species: Wemple, 1906
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Quenstedt, 1858
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Hulke, 1873
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Acrodus cf. substriatus, Hybodus substriatus
Original description species: (Schmid, 1861)
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Johnson, 1981
Genus: Acrodus Agassiz, 1837
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Cretolamna acuminata, Cretoxyrhina acuminata, Isurus acuminatus, Lamna acuminata
Original description species: (Agassiz, 1835)
Genus: Acrolamna Zhelezko, 1990
Family: Cretoxyrhinidae Glickman, 1958
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Zhelezko, 1990
Genus: Acrolamna Zhelezko, 1990
Family: Cretoxyrhinidae Glickman, 1958
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Zhelezko, 1990
Genus: Acrolamna Zhelezko, 1990
Family: Cretoxyrhinidae Glickman, 1958
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: (Meyer, 1851)
Genus: Acronemus Rieppel, 1982
Family: incert. fam.
Order: Ctenacanthiformes
Superorder: Cladodontomorphi
Subclass: Elasmobranchii

Synonyms: Acrodus bicarinatus, Acrodus tuberculatus, Nemacanthus tuberculatus
Original description species: (Bassani, 1886)
Genus: Acronemus Rieppel, 1982
Family: incert. fam.
Order: Ctenacanthiformes
Superorder: Cladodontomorphi
Subclass: Elasmobranchii

Original description species: Cappetta, Buffetaut, Cuny & Suteethorn, 2006
Genus: Acrorhizodus Cappetta, Buffetaut, Cuny & Suteethorn, 2006
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Adnet, 2006
Genus: Acrosqualiolus Adnet, 2006
Family: Dalatiidae Gray, 1851
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Guinot & Carrillo-Briceño, 2018
Genus: Acutalamna Guinot & Carrillo-Briceño, 2018
Order: Lamniformes incet. sedis
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Bendix-Almgreen, 1993
Genus: Adamantina Bendix-Almgreen, 1993
Family: Jalodontidae Ginter, Hairapetian & Klug, 2002
Order: Jalodontiformes
Subclass: Elasmobranchii

Original description species: Ivanov, 1999
Genus: Adamantina Bendix-Almgreen, 1993
Family: Jalodontidae Ginter, Hairapetian & Klug, 2002
Order: Jalodontiformes
Subclass: Elasmobranchii

Genus: Adamantina Bendix-Almgreen, 1993
Family: Jalodontidae Ginter, Hairapetian & Klug, 2002
Order: Jalodontiformes
Subclass: Elasmobranchii

Original description species: Guinot, Underwood, Cappetta & Ward, 2013
Genus: Adnetoscyllium Guinot, Underwood, Cappetta & Ward, 2013
Family: Hemiscylliidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Aegyptobatus cf. kuehnei, Tribodus kuehnei
Original description species: Werner, 1989
Genus: Aegyptobatus Werner, 1989
Family: Hybodontidae Owen, 1846
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Türtscher, Jambura, Villalobos-Segura, López-Romero, Underwood, Thies, Lauer, Lauer & Kriwet, 2024
Genus: Aellopobatis Türtscher, Jambura, Villalobos-Segura, López-Romero, Underwood, Thies, Lauer, Lauer & Kriwet, 2024
Family: Spathobatidae Dames, 1888
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Aetobates arcuatus, Aetobates omaliusi, Aetobates omaliusi latidens, Aetobates tardiveli, Aetobatis arcuatus, Aetobatis biochei, Aetobatis cf. arcuatus, Aetobatis omaliusi, Aetobatis omaliusi curtidens, Aetobatis omaliusi latidens, Aetobatis profundus, Aetobatis punctatus, Aetobatis tardiveli, Aetobatus biochei, Aetobatus cf. arcuatus, Aetobatus omaliusi curtidens, Aetobatus profundus, Goniobatis omaliusi
Original description species: (Agassiz, 1843)
Genus: Aetobatus Blainville, 1816
Family: Aetobatidae Agassiz, 1958
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Aetobatus cf. cappettai
Original description species: Antunes & Balbino, 2006
Genus: Aetobatus Blainville, 1816
Family: Aetobatidae Agassiz, 1958
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Aetobates irregularis, Aetobates rectus, Aetobates subarcuatus, Aetobatis aff. irregularis, Aetobatis giganteus, Aetobatis irregularis, Aetobatis perspicuus, Aetobatis rectus, Aetobatis subarcuatus, Aetobatus aff. irregularis, Aetobatus cf. irregularis, Aetobatus giganteus, Aetobatus perspicuus, Aetobatus subarcuatus, Myliobates giganteus, Myliobates subarcuatus, Myliobatis subarcuatus, Stoasodon perspicuus
Original description species: (Agassiz, 1843)
Genus: Aetobatus Blainville, 1816
Family: Aetobatidae Agassiz, 1958
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Aetobatis cf. narinari-f, Aetobatus aff. narinari-f, Aetobatus cf. narinari-f, Aetobatus narinae-f
Original description species: (Euphrasen, 1790)
Genus: Aetobatus Blainville, 1816
Family: Aetobatidae Agassiz, 1958
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Deraniyagala, 1937
Genus: Aetobatus Blainville, 1816
Family: Aetobatidae Agassiz, 1958
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Aetobates sp-f, Aetobatis sp-f
Genus: Aetobatus Blainville, 1816
Family: Aetobatidae Agassiz, 1958
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Iturralde-Vinent, Mora, Rojas & Gutierrez, 1998
Genus: Aetomylaeus Garman, 1908
Family: Myliobatidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Iturralde-Vinent, Mora, Rojas & Gutierrez, 1998
Genus: Aetomylaeus Garman, 1908
Family: Myliobatidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Aetobates dixoni, Aetomylaeus cf. dixoni, Miliobatis cf. dixoni, Myliobates contractus, Myliobates dixoni, Myliobates dixonii, Myliobates elegans, Myliobates gyratus, Myliobates heteropleurus, Myliobates obesus, Myliobates regley, Myliobates thomasi, Myliobates thomasii, Myliobatis cf. dixoni, Myliobatis contractus, Myliobatis copeanus, Myliobatis dixoni, Myliobatis dixoni carlipanus, Myliobatis dixonii, Myliobatis elegans, Myliobatis glottoides, Myliobatis gyratus, Myliobatis heteropleurus, Myliobatis obesus, Myliobatis rectidens, Myliobatis regley, Myliobatis thomasii
Original description species: (Agassiz, 1843)
Genus: Aetomylaeus Garman, 1908
Family: Myliobatidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Myliobates ligusticus, Myliobates meridionalis, Myliobatis aff. meridionalis, Myliobatis cf. meridionalis, Myliobatis ligusticus, Myliobatis meridionalis, Pteromylaeus ligusticus, Pteromylaeus meridionalis
Original description species: (Gervais, 1852)
Genus: Aetomylaeus Garman, 1908
Family: Myliobatidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Genus: Aetomylaeus Garman, 1908
Family: Myliobatidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Guinot, Cappetta, Underwood & Ward, 2012
Genus: Agaleorhynchus Guinot, Cappetta, Underwood & Ward, 2012
Family: Sclerorhynchidae Cappetta, 1974
Suborder: Sclerorhynchoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Agaleus cf. dorsetensis
Original description species: Duffin & Ward, 1983
Genus: Agaleus Duffin & Ward, 1983
Family: Agaleidae Rees, 2000
Order: incert. sedis
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Agassizodus cf. variabilis, Campodus variabilis, Campodus (Agassizodus) variabilis
Original description species: (Newberry & Worthen, 1870)
Genus: Agassizodus St. John & Worthen, 1875
Family: Helicoprionidae Karpinsky, 1911
Order: Eugeneodontiformes
Subclass: Euchondrocephali

Original description species: Garvey & Turner, 2006
Genus: Ageleodus Owen, 1867
Family: incert. fam.
Order: incert. sedis
Subclass: Euchondrocephali

Synonyms: Ageleodus diadema, Callopristodus pectinatus, Ctenoptychius denticulatus, Ctenoptychius pectinatus, Polyrhizodus constrictus
Original description species: (Agassiz, 1838)
Genus: Ageleodus Owen, 1867
Family: incert. fam.
Order: incert. sedis
Subclass: Euchondrocephali

Original description species: Duffin & Furrer, 1981
Genus: Agkistracanthus Duffin & Furrer, 1981
Family: Myriacanthidae Woodward, 1889
Suborder: Myriacanthoidei
Order: Chimaeriformes
Subclass: Holocephali

Original description species: Rees, 2010
Genus: Akaimia Rees, 2010
Family: incert. fam.
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Srdic, Duffin & Martill, 2016
Genus: Akaimia Rees, 2010
Family: incert. fam.
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Coates & Sequeira, 2001
Genus: Akmonistion Coates & Sequeira, 2001
Family: Stethacanthidae Lund, 1974
Order: Symmoriiformes
Superorder: Cladodontomorphi
Subclass: Holocephali

Original description species: Case, Udovitshenko, Nessov, Averianov & Borodin, 1996
Genus: Aktaua Case, Udovitshenko, Nessov, Averianov & Borodin, 1996
Family: Pristidae Bonaparte, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Duffin, 1983
Genus: Alethodontus Duffin, 1983
Family: Myriacanthidae Woodward, 1889
Suborder: Myriacanthoidei
Order: Chimaeriformes
Subclass: Holocephali

Synonyms: Almascyllium cheikh-eliasi, Chiloscyllium cheikh-eliasi
Original description species: (Signeux, 1949)
Genus: Almascyllium Cappetta, 1980
Family: Hemiscylliidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Casier, 1958
Genus: Alopias Rafinesque, 1810
Family: Alopiidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Alopias aff. alabamensis
Original description species: White, 1956
Genus: Alopias Rafinesque, 1810
Family: Alopiidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Alopias latidens carolinensis
Original description species: White, 1956
Genus: Alopias Rafinesque, 1810
Family: Alopiidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Ward, 1978
Genus: Alopias Rafinesque, 1810
Family: Alopiidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Alopias aff. denticulatus, Alopias cf. denticulatus
Original description species: Cappetta, 1981
Genus: Alopias Rafinesque, 1810
Family: Alopiidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Alopecias exigua, Alopias aff. exigua, Alopias cf. exigua, Oxyrhina exigua, Vulpecula exigua, Vulpecula (Alopecias) exigua
Original description species: (Probst, 1879)
Genus: Alopias Rafinesque, 1810
Family: Alopiidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Alopecias grandis
Original description species: (Leriche, 1942)
Genus: Alopias Rafinesque, 1810
Family: Alopiidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Alopias cf. hassei
Original description species: Noetling, 1885
Genus: Alopias Rafinesque, 1810
Family: Alopiidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Kozlov in Zhelezko & Kozlov, 1999
Genus: Alopias Rafinesque, 1810
Family: Alopiidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Alopecias cf. latidens, Alopecias latidens, Alopias aff. latidens, Alopias cf. latidens, Vulpecula latidens
Original description species: (Leriche, 1909)
Genus: Alopias Rafinesque, 1810
Family: Alopiidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Alopias cf. leeensis, Alopias leensis
Original description species: Ward, 1978
Genus: Alopias Rafinesque, 1810
Family: Alopiidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Kent & Ward, 2018
Genus: Alopias Rafinesque, 1810
Family: Alopiidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Alopias aff. pelagicus-f
Original description species: Nakamura, 1935
Genus: Alopias Rafinesque, 1810
Family: Alopiidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Alopecias smith woodwardi
Original description species: (Böhm, 1926)
Genus: Alopias Rafinesque, 1810
Family: Alopiidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Alopecias sp-f
Genus: Alopias Rafinesque, 1810
Family: Alopiidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Alopias aff. subexigua
Original description species: Darteville & Casier, 1959
Genus: Alopias Rafinesque, 1810
Family: Alopiidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Alopias aff. superciliosus-f, Alopias cf. superciliosus-f
Original description species: (Lowe, 1841)
Genus: Alopias Rafinesque, 1810
Family: Alopiidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Alopias aff. vulpinus-f, Alopias cf. vulpinus-f, Alopias vulpes-f
Original description species: (Bonnaterre, 1788)
Genus: Alopias Rafinesque, 1810
Family: Alopiidae Bonaparte, 1835
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Altholepis aff. composita
Original description species: Karatajute-Talimaa, 1997
Genus: Altholepis Karatajute-Talimaa, 1997
Family: Altholepididae Andreev, Coates, Shelton, Cooper, Smith & Sansom, 2015
Order: Altholepidiformes

Original description species: Burrow & Turner, 2018
Genus: Altholepis Karatajute-Talimaa, 1997
Family: Altholepididae Andreev, Coates, Shelton, Cooper, Smith & Sansom, 2015
Order: Altholepidiformes

Genus: Altholepis Karatajute-Talimaa, 1997
Family: Altholepididae Andreev, Coates, Shelton, Cooper, Smith & Sansom, 2015
Order: Altholepidiformes

Original description species: Fuchs, Engelbrecht, Lukeneder & Kriwet, 2017
Genus: Altusmirus Fuchs, Engelbrecht, Lukeneder & Kriwet, 2017
Family: incert. fam.
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Adnet et al., 2020
Genus: Amamriabatis Adnet Et Al., 2020
Family: Mobulidae incertae sedis Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Hodnett & Elliott, 2018
Genus: Amaradontus Hodnett & Elliott, 2018
Family: Anachronistidae Duffin & Ward, 1983
Order: incert. sedis
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Maisey, 1983
Genus: Amelacanthus Maisey, 1982
Order: Ctenacanthiformes
Superorder: Cladodontomorphi
Subclass: Elasmobranchii

Synonyms: Amelacanthus cf. sulcatus, Ctenacanthus sulcatus, Onchus sulcatus
Original description species: (Agassiz, 1837)
Genus: Amelacanthus Maisey, 1982
Order: Ctenacanthiformes
Superorder: Cladodontomorphi
Subclass: Elasmobranchii

Synonyms: Aetomylaeus crassus, Myliobates crassus, Myliobatis cf. crassus, Myliobatis crassus, Pteromylaeus crassus
Original description species: (Gervais, 1852)
Genus: Amtaaguar De Pasqua, Aranciaga Rolando, Agnolín, Gaetano & Bogan, 2024
Family: Myliobatidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Amylodon cf. delheidi
Original description species: Storms, 1894
Genus: Amylodon Storms, 1894
Family: Rhinochimaeridae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali

Original description species: Nessov & Averianov, 1996
Genus: Amylodon Storms, 1894
Family: Rhinochimaeridae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali

Synonyms: Chimaera cf. eocaenica, Chimaera eocenica
Original description species: (Woodward & White, 1930)
Genus: Amylodon Storms, 1894
Family: Rhinochimaeridae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali

Original description species: Averianov & Popov, 1995
Genus: Amylodon Storms, 1894
Family: Rhinochimaeridae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali

Synonyms: Chimaera venablesae
Original description species: Casier, 1966
Genus: Amylodon Storms, 1894
Family: Rhinochimaeridae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali

Original description species: Long & Young, 1995
Genus: Anareodus Long & Young, 1995
Family: Aztecodontidae Hairapetian, Ginter & Yazdi, 2008
Order: Omalodontiformes
Subclass: Elasmobranchii

Synonyms: Angolaia benguelaensis
Original description species: (Antunes & Cappetta, 2002)
Genus: Angolabatis Antunes & Cappetta, 2006
Family: Hypsobatidae Cappetta, 1992
Suborder: Rhinobatoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Adnet, Cappetta & Reynders, 2006
Genus: Angoumeius Adnet, Cappetta & Reynders, 2006
Family: Dalatiidae Gray, 1851
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Da Silva Santos, 1994
Genus: Anisopleurodontis Da Silva Santos, 1994
Family: Agassizodontidae Zangerl, 1981
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali

Original description species: Casier, 1964
Genus: Ankistrorhynchus Casier, 1964
Family: Sclerorhynchidae Cappetta, 1974
Suborder: Sclerorhynchoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Cappetta & Case, 1975
Genus: Ankistrorhynchus Casier, 1964
Family: Sclerorhynchidae Cappetta, 1974
Suborder: Sclerorhynchoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Case, 1987
Genus: Ankistrorhynchus Casier, 1964
Family: Sclerorhynchidae Cappetta, 1974
Suborder: Sclerorhynchoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Thies, 1982
Genus: Annea Thies, 1983
Family: incert. fam.
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Delsate & Thies, 1995
Genus: Annea Thies, 1983
Family: incert. fam.
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Chen & Cuny, 2003
Genus: Annulicorona Chen & Cuny, 2003
Subclass: Elasmobranchii

Synonyms: Anodontacanthus acutus, Anodontacanthus obtusus, Pleuracanthus alatus, Pleuracanthus obtusus, Xenacanthus alatus, Xenacanthus (Pleuracanthus) alatus
Original description species: (Davis, 1880)
Genus: Anodontacanthus Davis, 1881
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii

Original description species: Zidek, 1978
Genus: Anodontacanthus Davis, 1881
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii

Original description species: Chabakov, 1928
Genus: Anodontacanthus Davis, 1881
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii

Synonyms: Compsacanthus triangularis, Pleuracanthus robustus, Pleuracanthus (Compsacanthus) triangularis
Original description species: (Davis, 1880)
Genus: Anodontacanthus Davis, 1881
Family: Xenacanthidae Fritsch, 1889
Order: Xenacanthiformes
Superorder: Xenacanthimorpha
Subclass: Elasmobranchii

Synonyms: Anomotodon cf. cravenensis
Original description species: Case, 1980
Genus: Anomotodon Arambourg, 1952
Family: Mitsukurinidae Jordan, 1898
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Guinot, Underwood, Cappetta & Ward, 2013
Genus: Anomotodon Arambourg, 1952
Family: Mitsukurinidae Jordan, 1898
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Eostriatolamia gracilis, Lamna gracilis, Lamna (Odontaspis) gracilis, Odontaspis aff. gracilis, Odontaspis gracilis, Odontaspis (Synodontaspis) gracilis, Scapanorhynchus (Odontaspis) gracilis
Original description species: (Agassiz, 1843)
Genus: Anomotodon Arambourg, 1952
Family: Mitsukurinidae Jordan, 1898
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Siverson, 1992
Genus: Anomotodon Arambourg, 1952
Family: Mitsukurinidae Jordan, 1898
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Adnet, 2000
Genus: Anomotodon Arambourg, 1952
Family: Mitsukurinidae Jordan, 1898
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Herman, 1982
Genus: Anomotodon Arambourg, 1952
Family: Mitsukurinidae Jordan, 1898
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Oxyrhina landanensis
Original description species: (Darteville & Casier, 1959)
Genus: Anomotodon Arambourg, 1952
Family: Mitsukurinidae Jordan, 1898
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Oxyrhina minutissima
Original description species: (Menner, 1928)
Genus: Anomotodon Arambourg, 1952
Family: Mitsukurinidae Jordan, 1898
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: (Long, 1992)
Genus: Anomotodon Arambourg, 1952
Family: Mitsukurinidae Jordan, 1898
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Anomotodon aff. novus, Anomotodon alopecoides, Anomotodon cf. novus, Anomotodon winkleri, Isurus cf. novus, Isurus nova, Isurus novus, Isurus winkleri, Isurus (Oxyrhina) aff. novus, Lamna alopecoides, Oxyrhina cf. nova, Oxyrhina nova, Oxyrhina winkleri
Original description species: (Winkler, 1874)
Genus: Anomotodon Arambourg, 1952
Family: Mitsukurinidae Jordan, 1898
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Anomotodon aff. plicatus, Anomotodon cf. plicatus
Original description species: Arambourg, 1952
Genus: Anomotodon Arambourg, 1952
Family: Mitsukurinidae Jordan, 1898
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Anomotodon cf. principalis, Anomotodon principalis
Original description species: Cappetta, 1975
Genus: Anomotodon Arambourg, 1952
Family: Mitsukurinidae Jordan, 1898
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Orthacodus senessei
Original description species: (Leriche, 1936)
Genus: Anomotodon Arambourg, 1952
Family: Mitsukurinidae Jordan, 1898
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Anomotodon aff. sheppeyensis, Anomotodon cf. sheppeyensis, Isurus sheppeyensis, Oxyrhina sheppeyensis
Original description species: (Casier, 1966)
Genus: Anomotodon Arambourg, 1952
Family: Mitsukurinidae Jordan, 1898
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Pristis aethiopicus
Original description species: (Darteville & Casier, 1943)
Genus: Anoxypristis White & Moy-Thomas, 1941
Family: Pristidae Bonaparte, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Pristis fajumensis
Original description species: (Stromer, 1905)
Genus: Anoxypristis White & Moy-Thomas, 1941
Family: Pristidae Bonaparte, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Anoxypristis aff. mucrodens, Anoxypristis imhoffi, Anoxypristis priemi, Anoxypristis wateleti, Pristis imhoffi, Pristis mucrodens, Pristis priemi, Pristis wateleti
Original description species: (White, 1926)
Genus: Anoxypristis White & Moy-Thomas, 1941
Family: Pristidae Bonaparte, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Mesopristis osonensis
Original description species: (Farres, 2003)
Genus: Anoxypristis White & Moy-Thomas, 1941
Family: Pristidae Bonaparte, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Genus: Anoxypristis White & Moy-Thomas, 1941
Family: Pristidae Bonaparte, 1838
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Antarctilamna cf. prisca
Original description species: Young, 1982
Genus: Antarctilamna Young, 1982
Family: Antarctilamnidae Ginter, Liao, & Valenzuela-Ríos, 2008
Order: Antarctilamniformes
Subclass: Elasmobranchii

Original description species: Gagnier, Turner, Friman,Suarez-Riglos & Janvier, 1988
Genus: Antarctilamna Young, 1982
Family: Antarctilamnidae Ginter, Liao, & Valenzuela-Ríos, 2008
Order: Antarctilamniformes
Subclass: Elasmobranchii

Original description species: Gess & Coates, 2015
Genus: Antarctilamna Young, 1982
Family: Antarctilamnidae Ginter, Liao, & Valenzuela-Ríos, 2008
Order: Antarctilamniformes
Subclass: Elasmobranchii

Original description species: Stumpf & Kriwet, 2019
Genus: Antiquaobatis Stumpf & Kriwet, 2019
Family: incertae sedis
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Newberry, 1889
Genus: Antliodus Newberry & Worthen, 1866
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali

Original description species: Newberry & Worthen, 1866
Genus: Antliodus Newberry & Worthen, 1866
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali

Original description species: St. John & Worthen, 1875
Genus: Antliodus Newberry & Worthen, 1866
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali

Synonyms: Antliodus minutus
Original description species: Newberry & Worthen, 1866
Genus: Antliodus Newberry & Worthen, 1866
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali

Original description species: Newberry & Worthen, 1866
Genus: Antliodus Newberry & Worthen, 1866
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali

Original description species: Newberry & Worthen, 1866
Genus: Antliodus Newberry & Worthen, 1866
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali

Original description species: St. John & Worthen, 1875
Genus: Antliodus Newberry & Worthen, 1866
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali

Original description species: Newberry & Worthen, 1866
Genus: Antliodus Newberry & Worthen, 1866
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali

Original description species: Newberry & Worthen, 1866
Genus: Antliodus Newberry & Worthen, 1866
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali

Original description species: Newberry & Worthen, 1870
Genus: Antliodus Newberry & Worthen, 1866
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali

Original description species: Newberry & Worthen, 1866
Genus: Antliodus Newberry & Worthen, 1866
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali

Original description species: Newberry & Worthen, 1866
Genus: Antliodus Newberry & Worthen, 1866
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali

Original description species: Newberry & Worthen, 1866
Genus: Antliodus Newberry & Worthen, 1866
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali

Genus: Antliodus Newberry & Worthen, 1866
Family: Petalodontidae Newberry & Worthen, 1866
Order: Petalodontiformes
Subclass: Euchondrocephali

Original description species: Guinot, Cappetta & Adnet, 2014
Genus: Antrigoulia Guinot, Cappetta & Adnet, 2014
Family: Palaeospinacidae Regan, 1906
Order: Synechodontiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Apocodon sericeus
Original description species: Cope, 1885
Genus: Apocopodon Cope, 1885
Family: Myliobatidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Genus: Aprionodon Gill, 1861
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Adnet, 2006
Genus: Apristurus Garman, 1913
Family: Pentanchidae Smith, 1912
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Genus: Apristurus Garman, 1913
Family: Pentanchidae Smith, 1912
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Vullo, Frey, Ifrim, González, Stinnesbeck & Stinnesbeck, 2021
Genus: Aquilolamna Vullo, Frey, Ifrim, González, Stinnesbeck & Stinnesbeck, 2021
Family: Aquilolamnidae Vullo, Frey, Ifrim, González, Stinnesbeck & Stinnesbeck, 2021
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Glikman, 1964
Genus: Araloselachus Glikman, 1964
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Carcharias baigubeki, Odontaspis aralensis, Odontaspis baigubeki
Original description species: (Glikman, 1964)
Genus: Araloselachus Glikman, 1964
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: (Glikman, 1964)
Genus: Araloselachus Glikman, 1964
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Zhelezko in Zhelezko & Kozlov, 1999
Genus: Araloselachus Glikman, 1964
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Zhelezko in Zhelezko & Kozlov, 1999
Genus: Araloselachus Glikman, 1964
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Zhelezko in Zhelezko & Kozlov, 1999
Genus: Araloselachus Glikman, 1964
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Araloselachus cf. cuspidatus, Araloselachus cuspidata, Borealotodus karpinski, Borealotodus karpinskii, Carcharias aff. cuspidata, Carcharias cf. cuspidata, Carcharias cf. cuspidatus, Carcharias cuspidata, Carcharias cuspidatus, Carcharias denticulata, Carcharias (Odontaspis) cuspidata, Carcharias (Synodontaspis) cuspidata, Eugomphodus cuspidatus, Jaekelotodus karpinskii, Lamna cf. cuspidata, Lamna cuspidata, Lamna denticulata, Lamna karpinskii, Lamna (Odontaspis) cuspidata, Lamna (Odontaspis) cuspidata minor, Lamna (Odontaspis) macrota hungarica, Mennerotodus karpinsky, Odontaspis aff. cuspidata, Odontaspis cf. cuspidata, Odontaspis cf. cuspidata minor, Odontaspis cuspidata, Odontaspis cuspidatus, Odontaspis denticulata, Odontaspis (Synodontaspis) cf. cuspidata, Odontaspis (Synodontaspis) cuspidata, Odontaspis (Synodontaspis) cuspidata cuspidata, Otodus serrotinus, Oxyrhina cuspidata, Synodontaspis cuspidata, Synodontaspis (Synodontaspis) cuspidata cuspidata
Original description species: (Agassiz, 1843)
Genus: Araloselachus Glikman, 1964
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Zhelezko in Zhelezko & Kozlov, 1999
Genus: Araloselachus Glikman, 1964
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Carcharias cf. vorax, Carcharias ferox bartesagoi, Carcharias taurus vorax, Carcharias vorax, Carcharias (Synodontaspis) acutissima vorax, Lamna (Odontaspis) vorax, Odontaspis acutissima vorax, Odontaspis aff. vorax, Odontaspis cf. vorax, Odontaspis ferox bartesagoi, Odontaspis vorax, Odontaspis (Synodontaspis) acutissima vorax, Odontaspis (Synodontaspis) vorax, Synodontaspis vorax
Original description species: (Le Hon, 1871)
Genus: Araloselachus Glikman, 1964
Family: Odontaspididae Müller & Henle, 1839
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Guinot, Cappetta & Adnet, 2014
Genus: Archaeogaleus Guinot, Cappetta & Adnet, 2014
Family: Carcharhinidae Jordan & Evermann, 1896
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Protolamna aduncata
Original description species: (Zhelezko, 1990)
Genus: Archaeolamna Siverson, 1992
Family: Archaeolamnidae Underwood & Cumbaa, 2010
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Protolamna aduncata suberecta
Original description species: (Zhelezko, 1990)
Genus: Archaeolamna Siverson, 1992
Family: Archaeolamnidae Underwood & Cumbaa, 2010
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Protolamna arcuata orica
Original description species: (Zhelezko, 1990)
Genus: Archaeolamna Siverson, 1992
Family: Archaeolamnidae Underwood & Cumbaa, 2010
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Siverson, 1996
Genus: Archaeolamna Siverson, 1992
Family: Archaeolamnidae Underwood & Cumbaa, 2010
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Hybodus incussidens
Original description species: De Vis, 1911
Genus: Archaeolamna Siverson, 1992
Family: Archaeolamnidae Underwood & Cumbaa, 2010
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Archaeolamna aff. kopingensis, Archaeolamna cf. kopingensis, Archaeolamna ex. gr. kopingensis, Odontaspis kopingensis
Original description species: (Davis, 1890)
Genus: Archaeolamna Siverson, 1992
Family: Archaeolamnidae Underwood & Cumbaa, 2010
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Archaeolamna kopinqensis
Original description species: Siverson, 1992
Genus: Archaeolamna Siverson, 1992
Family: Archaeolamnidae Underwood & Cumbaa, 2010
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Cretodus arcuata, Cretodus arcuatus, Cretolamna arcuata, Lamna arcuata, Lamna cf. arcuata, Odontaspis (Odontaspis) arcuata, Plicatolamna arcuata, Plicatolamna cf. arcuata, Protolamna arcuata
Original description species: (Davis, 1890)
Genus: Archaeolamna Siverson, 1992
Family: Archaeolamnidae Underwood & Cumbaa, 2010
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Genus: Archaeolamna Siverson, 1992
Family: Archaeolamnidae Underwood & Cumbaa, 2010
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Otodus striatus.
Original description species: (Rogovich, 1861)
Genus: Archaeolamna Siverson, 1992
Family: Archaeolamnidae Underwood & Cumbaa, 2010
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Li, 1997
Genus: Archaeolamna* Li, 1997
Family: Cretoxyrhinidae Glickman, 1958
Order: Lamniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Kozlov, 2001
Genus: Archaeomanta Herman, 1979
Family: Mobulidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Archaeomanta cf. melenhorsti
Original description species: Herman, 1979
Genus: Archaeomanta Herman, 1979
Family: Mobulidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Archaeomanta cf. priemi
Original description species: Herman, 1979
Genus: Archaeomanta Herman, 1979
Family: Mobulidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Case, 1987
Genus: Archaeotriakis Case, 1978
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Case, 1978
Genus: Archaeotriakis Case, 1978
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Vullo & Cappetta & Néraudeau, 2007
Genus: Archingeayia Vullo, Cappetta & Néraudeau, 2007
Family: Sclerorhynchidae Cappetta, 1974
Suborder: Sclerorhynchoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Yamagishi, 2004
Genus: Arctacanthus Nielsen, 1932
Order: Ctenacanthiformes
Superorder: Cladodontomorphi
Subclass: Elasmobranchii

Genus: Arctacanthus Nielsen, 1932
Order: Ctenacanthiformes
Superorder: Cladodontomorphi
Subclass: Elasmobranchii

Synonyms: Dolophonodus uncinatus
Original description species: Branson, 1934
Genus: Arctacanthus Nielsen, 1932
Order: Ctenacanthiformes
Superorder: Cladodontomorphi
Subclass: Elasmobranchii

Synonyms: Deltodopsis bialveatus
Original description species: (St. John & Worthen, 1883)
Genus: Arcuodus Itano & Lambert, 2018
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali

Original description species: Itano & Lambert, 2018
Genus: Arcuodus Itano & Lambert, 2018
Order: Cochliodontiformes
Superorder: Holocephalimorpha
Subclass: Holocephali

Original description species: Hairapetian & Ginter, 2009
Genus: Arduodens Hairapetian & Ginter, 2009
Family: Ctenacanthidae Dean, 1909
Order: Ctenacanthiformes
Superorder: Cladodontomorphi
Subclass: Elasmobranchii

Original description species: Cappetta, 1983
Genus: Arechia Cappetta, 1983
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Taeniura knerii, Trygon brevicauda, Trygon oblongus, Trygonobatus crassicaudatus, Urolophus crassicauda, Urolophus crassicaudatus, Urolophus princeps
Original description species: (Blainville, 1818)
Genus: Arechia Cappetta, 1983
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Areyonga oervigi
Original description species: (Young, 1997)
Genus: Areyongalepis Young, 2000
Family: incert. fam.
Order: incert. sedis
Subclass: Elasmobranchii

Original description species: Leder, 2015
Genus: Argoubia Adnet, Cappetta, Guinot & Notarbartolo Di Sciara, 2012
Family: Myliobatidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Adnet, Cappetta, Guinot & Notarbartolo Di Sciara, 2012
Genus: Argoubia Adnet, Cappetta, Guinot & Notarbartolo Di Sciara, 2012
Family: Myliobatidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Waite, 1909
Genus: Arhynchobatis Waite, 1909
Family: Arhynchobatidae Fowler, 1934
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Leder, 2015
Genus: Arnomobula Leder, 2015
Family: Mobulidae Bonaparte, 1838
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Trautschold, 1879
Genus: Arpagodus Trautschold, 1879
Family: Agassizodontidae Zangerl, 1981
Superfamily: Edestoidae
Order: Eugeneodontiformes
Subclass: Euchondrocephali

Synonyms: Arthropterus rileyi
Original description species: (Agassiz, 1843)
Genus: Arthrobatis Whitley, 1940
Family: Arthrobatidae Greenfield, 2024
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Ivanov & Duffin, 2017
Genus: Artiodus Ivanov & Duffin, 2017
Family: incert. fam.
Order: incert. sedis
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Villalobos-Segura, Underwood, Ward & Claeson, 2019
Genus: Asflapristis Villalobos-Segura, Underwood, Ward & Claeson, 2019
Family: Ptychotrygonidae Kriwet, Nunn & Klug, 2009
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Nessov, Glikman & Mertinienne in Mertiniene & Nessov, 1991
Genus: Asiodontus Nessov, Glikman & Mertinienne, 1991
Family: Polyacrodontidae Glickman, 1964
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Asteracanthus cf. acutus
Original description species: Agassiz, 1837
Genus: Asteracanthus Agassiz, 1836
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Stromer, 1927
Genus: Asteracanthus Agassiz, 1836
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Kriwet, 1995
Genus: Asteracanthus Agassiz, 1836
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Egerton, 1854
Genus: Asteracanthus Agassiz, 1836
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Asteracanthus aff. lepidus
Original description species: Dollfus, 1863
Genus: Asteracanthus Agassiz, 1836
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Asteracanthus cf. longidens, Psammodus longidens, Strophodus longidens
Original description species: (Agassiz, 1838)
Genus: Asteracanthus Agassiz, 1836
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Asteracanthus cf. magnus, Asteracanthus favosus, Asteracanthus (Strophodus) favosus, Asteracanthus (Strophodus) magnus, Psammodus magnus, Strophodus favosus, Strophodus magnus, Strophodus rigauxi, Strophodus (Psammodus) magnus
Original description species: (Agassiz, 1838)
Genus: Asteracanthus Agassiz, 1836
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Strophodus medius
Original description species: (Owen, 1869)
Genus: Asteracanthus Agassiz, 1836
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Agassiz, 1837
Genus: Asteracanthus Agassiz, 1836
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Asteracanthus aff. ornatissimus, Asteracanthus beddingtonensis, Asteracanthus cf. ornatissimus, Asteracanthus papillosus, Asteracanthus preussi, Asteracanthus subreticulatus, Psammodus reticulatus, Psammodus subreticulatus, Strophodus normanianus, Strophodus radiatus, Strophodus ratisbonensis, Strophodus subreticulatus
Original description species: Agassiz, 1836
Genus: Asteracanthus Agassiz, 1836
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Ameghino, 1935
Genus: Asteracanthus Agassiz, 1836
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Asteracanthus tenuistriatus, Ichthyodorulites purbecensis, Leptacanthus semisulcatus
Original description species: Agassiz, 1837
Genus: Asteracanthus Agassiz, 1836
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Asteracanthus cf. semiverrucosus
Original description species: Egerton, 1854
Genus: Asteracanthus Agassiz, 1836
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Peyer, 1946
Genus: Asteracanthus Agassiz, 1836
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Yabe, 1902
Genus: Asteracanthus Agassiz, 1836
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Asteracanthus aff. tenuis, Asteracanthus (Strophodus) tenuis, Psammodus tenuis, Strophodus tenuis
Original description species: (Agassiz, 1838)
Genus: Asteracanthus Agassiz, 1836
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Fricke, 1875
Genus: Asteracanthus Agassiz, 1836
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Strophodus tridentinits, Strophodus tridentinus
Original description species: (Zittel, 1870)
Genus: Asteracanthus Agassiz, 1836
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Egerton, 1854
Genus: Asteracanthus Agassiz, 1836
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Sauvage, 1880
Genus: Asteracanthus Agassiz, 1836
Family: Acrodontidae Casier, 1959
Superfamily: Hybodontoidea
Order: Hybodontiformes
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Asterodermus platypteros, Raja platypterus
Original description species: Agassiz, 1836
Genus: Asterodermus Agassiz, 1843
Family: Rhinobatidae Bonaparte, 1835
Order: Rhinopristiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii