Common name: Speckled catshark
Original description species: Springer & D'Aubrey, 1972
Genus: Halaelurus Gill, 1862
Family: Pentanchidae Smith, 1912
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Catulus bürgeri, Halaelurus burgeri, Halaelurus bürgeri, Halaelurus cf. buergeri, Halaelurus (Halaelurus) bürgeri, Scyliorhinus buergeri, Scyliorhinus (Halaelurus) bürgeri, Scyliorhinus (Hemigaleus) burgeri, Scylliorhinus bürgeri, Scyllium buergeri, Scyllium bürgeri, Scyllium burgeri
Common name: Blackspotted catshark
Original description species: (Müller & Henle, 1838)
Genus: Halaelurus Gill, 1862
Family: Pentanchidae Smith, 1912
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Common name: Lined catshark
Original description species: Bass, D'Aubrey & Kistnasamy, 1975
Genus: Halaelurus Gill, 1862
Family: Pentanchidae Smith, 1912
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Common name: Indonesian Speckled Catshark
Original description species: White, Last & Stevens, 2007
Genus: Halaelurus Gill, 1862
Family: Pentanchidae Smith, 1912
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Scyliorhinus natalensis, Scylliorhinus natalensis, Scyllium natalense
Common name: Tiger catshark
Original description species: (Regan, 1904)
Genus: Halaelurus Gill, 1862
Family: Pentanchidae Smith, 1912
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Halaelurus guagga, Scyliorhinus quagga, Scyliorhinus (Halaelurus) quagga, Scyliorhinus (Hemigaleus) quagga, Scyllium quagga
Common name: Quagga catshark
Original description species: (Alcock, 1899)
Genus: Halaelurus Gill, 1862
Family: Pentanchidae Smith, 1912
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Common name: Rusty Catshark
Original description species: White, Last & Stevens, 2007
Genus: Halaelurus Gill, 1862
Family: Pentanchidae Smith, 1912
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Catulus edwardii, Haploblepharus edwardsi, Scyliorhinus edwardsii, Scylliorhinus edwardsi, Scyllium edwardsi, Scyllium edwardsii, Squalus edwardsii
Common name: Puffadder shyshark
Original description species: (Schinz, 1822)
Genus: Haploblepharus Garman, 1913
Family: Pentanchidae Smith, 1912
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Common name: Brown shyshark
Original description species: Smith, 1950
Genus: Haploblepharus Garman, 1913
Family: Pentanchidae Smith, 1912
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Human & Compagno, 2006
Genus: Haploblepharus Garman, 1913
Family: Pentanchidae Smith, 1912
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Scyllium pictum
Common name: Dark shyshark
Original description species: (Müller & Henle, 1838)
Genus: Haploblepharus Garman, 1913
Family: Pentanchidae Smith, 1912
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Finucci, Didier, Ebert, Green, & Kemper, 2024
Genus: Harriotta Goode & Bean, 1895
Family: Rhinochimaeridae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali

Synonyms: Anteliochimaera chaetirhamphus, Harriotta chaetirhampha
Original description species: (Tanaka, 1909)
Genus: Harriotta Goode & Bean, 1895
Family: Rhinochimaeridae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali

Common name: Smallspine spookfish
Original description species: Karrer, 1972
Genus: Harriotta Goode & Bean, 1895
Family: Rhinochimaeridae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali

Synonyms: Harriotta cf. raleighana, Harriotta curtissjamesi, Harriotta opisthoptera, Harriotta raleighiana
Common name: Narrownose chimaera
Original description species: Goode & Bean, 1895
Genus: Harriotta Goode & Bean, 1895
Family: Rhinochimaeridae Garman, 1901
Order: Chimaeriformes
Subclass: Holocephali

Original description species: Carvalho & Lovejoy, 2011
Genus: Heliotrygon De Carvalho & Lovejoy, 2011
Family: Potamotrygonidae Garman, 1877
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Carvalho & Lovejoy, 2011
Genus: Heliotrygon De Carvalho & Lovejoy, 2011
Family: Potamotrygonidae Garman, 1877
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Common name: Australian weasel shark
Original description species: White, Last & Compagno, 2005
Genus: Hemigaleus Bleeker, 1852
Family: Hemigaleidae Hasse, 1878
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Hemigaleus machlani, Hemigaleus microstomus, Negogaleus microstoma, Neogaleus microstoma
Common name: Sicklefin weasel shark
Original description species: Bleeker, 1852
Genus: Hemigaleus Bleeker, 1852
Family: Hemigaleidae Hasse, 1878
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Carcharhinus ellioti, Carcharias ellioti, Carcharinus ellioti, Dirrhizodon elongatus, Eulamia ellioti, Hemipristis elongatus, Hemipristis pingali, Heterogaleus ghardaqensis, Paragaleus acutiventralis
Common name: Snaggletooth shark
Original description species: (Klunzinger, 1871)
Genus: Hemipristis Agassiz, 1835
Family: Hemigaleidae Hasse, 1878
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Chiloscyllium freycineti, Chiloscyllium malaianum, Scyllium freycineti, Scyllium malaisianum, Scyllium malaisianus
Common name: Indonesian speckled carpetshark
Original description species: (Quoy & Gaimard, 1824)
Genus: Hemiscyllium Müller & Henle, 1838
Family: Hemiscylliidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Allen & Erdmann, 2008
Genus: Hemiscyllium Müller & Henle, 1838
Family: Hemiscylliidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Common name: Papuan epaulette shark
Original description species: Whitley, 1967
Genus: Hemiscyllium Müller & Henle, 1838
Family: Hemiscylliidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Common name: Halmahera Epaulette Shark
Original description species: Allen, Erdmann & Dudgeon, 2013
Genus: Hemiscyllium Müller & Henle, 1838
Family: Hemiscylliidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Allen & Erdmann, 2008
Genus: Hemiscyllium Müller & Henle, 1838
Family: Hemiscylliidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Allen & Dudgeon, 2010
Genus: Hemiscyllium Müller & Henle, 1838
Family: Hemiscylliidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Hemiscyllium oculatum, Squalus ocellatus, Squalus oculatus
Common name: Epaulette shark
Original description species: (Bonnaterre, 1788)
Genus: Hemiscyllium Müller & Henle, 1838
Family: Hemiscylliidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Common name: Hooded carpetshark
Original description species: Whitley, 1967
Genus: Hemiscyllium Müller & Henle, 1838
Family: Hemiscylliidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Chiloscyllium trispeculare
Common name: Speckled carpetshark
Original description species: Richardson, 1843
Genus: Hemiscyllium Müller & Henle, 1838
Family: Hemiscylliidae Gill, 1862
Order: Orectolobiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Common name: Deepwater sicklefin hound shark
Original description species: Compagno & Stevens, 1993
Genus: Hemitriakis Herre, 1923
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Takahashi & Nakaya, 2004
Genus: Hemitriakis Herre, 1923
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Common name: Sicklefin hound shark
Original description species: Compagno & Stevens, 1993
Genus: Hemitriakis Herre, 1923
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Common name: Indonesian Houndshark
Original description species: White, Compagno & Dharmadi, 2009
Genus: Hemitriakis Herre, 1923
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Eugaleus japanicus, Galeorhinus japanicus, Galeorhinus japonicus, Galeus japanicus, Galeus japonicus, Hemitriakis japonica, Hemitriakis japonicus
Common name: Japanese topeshark
Original description species: (Müller & Henle, 1839)
Genus: Hemitriakis Herre, 1923
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Triakis leucoperiptera
Common name: Whitefin topeshark
Original description species: Herre, 1923
Genus: Hemitriakis Herre, 1923
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Dasyatis akajei, Dasyatis akajel, Dasyatis cf. akajei, Dasybatus akajei, Trygon akajei, Trygon (Trygon) akajei
Common name: Red stingray
Original description species: (Müller & Henle, 1841)
Genus: Hemitrygon Müller & Henle, 1838
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Dasyatis benetti, Dasyatis benneti, Dasyatis bennetti, Dasyatis bennettii, Dasyatis (Pastinachus) bennettii, Dasybatus bennetti, Hemitrygon bennetti, Trygon bennetti, Trygon bennettii, Trygon (Hemitrygon) bennetti
Common name: Bennett's stingray
Original description species: (Müller & Henle, 1841)
Genus: Hemitrygon Müller & Henle, 1838
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Amphotistius fluviorum, Dasyatis cf. fluviorum, Dasyatis fluviorum, Dasybatus fluviorum, Toshia fluviorum
Common name: Estuary stingray
Original description species: (Ogilby, 1908)
Genus: Hemitrygon Müller & Henle, 1838
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Dasyatis izuensis
Common name: Izu stingray
Original description species: (Nishida & Nakaya, 1988)
Genus: Hemitrygon Müller & Henle, 1838
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Dasyatis laevigata, Dasyatis laevigatus
Common name: Yantai stingray
Original description species: Chu, 1960
Genus: Hemitrygon Müller & Henle, 1838
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Amphotistius laosensis, Dasyatis laoensis, Dasyatis laosensis
Common name: Mekong stingray
Original description species: (Roberts & Karnasuta, 1987)
Genus: Hemitrygon Müller & Henle, 1838
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Dasyatis longicauda
Common name: Merauke Stingray
Original description species: (Last & White, 2013)
Genus: Hemitrygon Müller & Henle, 1838
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Dasyatis navarrae, Dasybatus navarrae, Trygon navarrae
Common name: Blackish stingray
Original description species: (Steindachner, 1892)
Genus: Hemitrygon Müller & Henle, 1838
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Dasyatis parvonigra
Common name: Dwarf black stingray
Original description species: (Last & White, 2008)
Genus: Hemitrygon Müller & Henle, 1838
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Dasyatis sinensis, Dasybatus sinensis, Trygon sinensis
Common name: Chinese stingray
Original description species: (Steindachner, 1892)
Genus: Hemitrygon Müller & Henle, 1838
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Moore & Last & Naylor, 2020
Genus: Hemitrygon Müller & Henle, 1838
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Carcharias cinereus, Heptanchus cinereus, Heptanchus deani, Heptanchus (Heptranchias) cinereus, Heptranchias angio, Heptranchias cf. perlo, Heptranchias cinereus, Heptranchias dakini, Heptranchias deani, Heptranchus cinereus, Notidanus cinereus, Notidanus (Heptanchus seu Heptranchias) cinereus, Notidanus (Heptanchus) cinereus, Squalus cinereus, Squalus perlo
Common name: Sharpnose sevengill shark
Original description species: (Bonnaterre, 1788)
Genus: Heptranchias Rafinesque, 1810
Family: Hexanchidae Gray, 1851
Suborder: Hexanchoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Centracion francisci, Cestracion francisci, Cestracion (Heterodontus) francisci, Gyropleurodus francisci, Heterodontus aff. francisci, Heterodontus ex gr. francisci, Heterodontus (Cestracion) francisi
Common name: Horn shark
Original description species: (Girard, 1855)
Genus: Heterodontus Blainville, 1816
Family: Heterodontidae Gray, 1851
Order: Heterodontiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Centracion galeatus, Cestracion galeatus, Gyropleurodus galeatus, Molochophrys galeatus
Common name: Crested bullhead shark
Original description species: (Günther, 1870)
Genus: Heterodontus Blainville, 1816
Family: Heterodontidae Gray, 1851
Order: Heterodontiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Centracion japonicum, Centracion japonicus, Cestracion japonicus, Cestracion philippi japonicus
Common name: Japanese bullhead shark
Original description species: Maclay & Macleay, 1884
Genus: Heterodontus Blainville, 1816
Family: Heterodontidae Gray, 1851
Order: Heterodontiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: White, Mollen, O’Neill, Yang & Naylor, 2023
Genus: Heterodontus Blainville, 1816
Family: Heterodontidae Gray, 1851
Order: Heterodontiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Common name: Mexican hornshark
Original description species: Taylor & Castro-Aguirre, 1972
Genus: Heterodontus Blainville, 1816
Family: Heterodontidae Gray, 1851
Order: Heterodontiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Common name: Oman bullhead shark
Original description species: Baldwin, 2005
Genus: Heterodontus Blainville, 1816
Family: Heterodontidae Gray, 1851
Order: Heterodontiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Centracion philippi, Cestracion heterodontus, Cestracion longidens, Cestracion philippi, Cestracion phillipi, Cestracion phillippi, Heterodontus bonae-spei, Heterodontus longidens, Heterodontus philippi, Heterodontus philippii, Heterodontus phillipi, Heterodontus phillipii, Heterodontus portus jacksoni , Heterodontus (Cestracion) philippi, Heterodontus (Cestracion) phillipi, Squalus jacksoni, Squalus jacksonii, Squalus philippi, Squalus philippinus., Squalus portusjacksoni
Common name: Port Jackson shark
Original description species: (Meyer, 1793)
Genus: Heterodontus Blainville, 1816
Family: Heterodontidae Gray, 1851
Order: Heterodontiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Centracion quoyi, Cestracion pantherinus, Cestracion quoyi, Gyropleurodus peruanus, Gyropleurodus quoyi, Heterodontus pantherinus, Heterodontus (Cestracion) quoyi
Common name: Galapagos bullhead shark
Original description species: (Fréminville, 1840)
Genus: Heterodontus Blainville, 1816
Family: Heterodontidae Gray, 1851
Order: Heterodontiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Gyropleurodus ramalheira
Common name: Whitespotted bullhead shark
Original description species: (Smith, 1949)
Genus: Heterodontus Blainville, 1816
Family: Heterodontidae Gray, 1851
Order: Heterodontiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Centracion zebra, Cestracion amboinensis, Cestracion zebra, Heterodontus cf. zebra
Common name: Zebra bullhead shark
Original description species: (Gray, 1831)
Genus: Heterodontus Blainville, 1816
Family: Heterodontidae Gray, 1851
Order: Heterodontiformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Heteronarce bentuvai, Narcine bentuviai
Common name: Elat electric ray
Original description species: (Baranes & Randall, 1989)
Genus: Heteronarce Regan, 1921
Family: Narkidae Fowler, 1934
Order: Torpediniformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Heteronarce regani, Narcine natalensis
Common name: Natal electric ray
Original description species: Regan, 1921
Genus: Heteronarce Regan, 1921
Family: Narkidae Fowler, 1934
Order: Torpediniformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Heteronarce prabhui, Narcine mollis
Common name: Soft electric ray
Original description species: (Lloyd, 1907)
Genus: Heteronarce Regan, 1921
Family: Narkidae Fowler, 1934
Order: Torpediniformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Common name: Longnose pygmy shark
Original description species: Fowler, 1934
Genus: Heteroscymnoides Fowler, 1934
Family: Dalatiidae Gray, 1851
Order: Squaliformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Hexanchus aff. griseus, Hexanchus cf. griseus, Hexanchus corinum, Hexanchus corinus, Hexanchus griseus australis , Notidanus griseus, Notidanus vulgaris, Notidanus (Hexanchus) corinus, Notidanus (Hexanchus) griseus, Notorynchus griseus, Squalus griseus, Squalus vacca
Common name: Bluntnose sixgill shark
Original description species: (Bonnaterre, 1788)
Genus: Hexanchus Rafinesque, 1810
Family: Hexanchidae Gray, 1851
Suborder: Hexanchoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Hexanchus aff. nakamurai, Hexanchus cf. nakamurai, Hexanchus griseus nakamurai
Common name: Bigeye sixgill shark
Original description species: Teng, 1962
Genus: Hexanchus Rafinesque, 1810
Family: Hexanchidae Gray, 1851
Suborder: Hexanchoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Common name: Bigeye sixgill shark
Original description species: Springer & Waller, 1969
Genus: Hexanchus Rafinesque, 1810
Family: Hexanchidae Gray, 1851
Suborder: Hexanchoidei
Order: Hexanchiformes
Superorder: Squalomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Hexatrematobatis longirostrum, Hexatrygon bickelii, Hexatrygon brevirostra, Hexatrygon longirostra, Hexatrygon longirostris, Hexatrygon longirostrum, Hexatrygon taiwanensis, Hexatrygon yangi
Common name: Sixgill stingray
Original description species: Heemstra & Smith, 1980
Genus: Hexatrygon Heemstra & Smith, 1980
Family: Hexatrygonidae Heemstra & Smith, 1980
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Common name: Himantura australis
Original description species: Last, White & Naylor, 2016
Genus: Himantura Müller & Henle, 1837
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Himantura cf. leoparda
Original description species: Manjaji-Matsumoto & Last, 2008
Genus: Himantura Müller & Henle, 1837
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Dasyatis marginatus, Dasyatis (Amphotistius) marginatus, Dasyatis (Himantura) marginatus, Dasybatus marginatus, Himantura marginatus, Trygon marginatus, Trygon (Himantura) marginatus
Common name: Blackedge whipray
Original description species: (Blyth, 1860)
Genus: Himantura Müller & Henle, 1837
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Dasyatis uarnak, Dasyatis uarnak variegatus, Dasyatis (Himantura) uarnak, Dasybatis uarnak, Dasybatus uarnak, Himantura arnak, Himantura cf. uarnak, Himantura punctata, Himantura tutul, Himantura (Dasyatis) uarnak, Pastinachus uarnak, Raia arnak, Raia scherit, Raja arnak, Raja sephen uarnak , Raja uarnak, Trygon arnak, Trygon chindrakee, Trygon ellioti, Trygon punctata, Trygon uarnack, Trygon uarnak, Trygon variegatus, Trygon (Himantura) uarnak, Trygon (Himantura) variegatus
Common name: Honeycomb stingray
Original description species: (Forsskål, 1775)
Genus: Himantura Müller & Henle, 1837
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Dasyatis favus, Dasyatis (Himantura) favus, Dasybatus favus, Himantura fava, Trygon fava, Trygon favus, Trygon undulata
Common name: Leopard whipray
Original description species: (Bleeker, 1852)
Genus: Himantura Müller & Henle, 1837
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Holohalaelurus regani favus
Original description species: Human, 2006
Genus: Holohalaelurus Fowler, 1934
Family: Pentanchidae Smith, 1912
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Human, 2006
Genus: Holohalaelurus Fowler, 1934
Family: Pentanchidae Smith, 1912
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Scyliorhinus melanostigma, Scyliorhinus (Halaelurus) melanostigma
Common name: Crying Izak
Original description species: (Norman, 1939)
Genus: Holohalaelurus Fowler, 1934
Family: Pentanchidae Smith, 1912
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Halaelurus punctatus, Holohalaelurus polystigma, Scyliorhinus (Halaelurus) polystigma, Scylliorhinus punctatus
Common name: African spotted catshark
Original description species: (Gilchrist, 1914)
Genus: Holohalaelurus Fowler, 1934
Family: Pentanchidae Smith, 1912
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Halaelurus regani, Scyliorhinus regani, Scyliorhinus (Halaelurus) regani, Scylliorhinus regani
Common name: Izak catshark
Original description species: (Gilchrist, 1922)
Genus: Holohalaelurus Fowler, 1934
Family: Pentanchidae Smith, 1912
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Okamejei koreana, Raja koreana
Common name: Korean skate
Original description species: (Jeong & Nakabo, 1997)
Genus: Hongeo Jeong & Nakabo, 2009
Family: Rajidae De Blainville, 1816
Suborder: Rajoidei
Order: Rajiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Bathyalopex abbreviatus, Bathyalopex plumbeus, Chimaera abbreviata, Chimaera affinis, Chimaera plumbea, Hydrolagus cf. affinis, Psychichthys affinis
Common name: Smalleyed rabbitfish
Original description species: (De Brito Capello, 1868)
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Synonyms: Chimaera africana, Hydrolagus cf. africanus
Common name: African chimaera
Original description species: (Gilchrist, 1922)
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Synonyms: Hydrolagus cf. alberti
Original description species: Bigelow & Schroeder, 1951
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Original description species: Quaranta, Didier, Long & Ebert, 2006
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Synonyms: Chimaera barbouri, Chimaera spilota, Hydrolagus cf. barbouri
Original description species: (Garman, 1908)
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Original description species: Didier, 2002
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Synonyms: Chimaera collei, Chimaera colliaei, Chimaera colliei, Chimaera media, Chimaera neglecta., Chimaera (Hydrolagus) collei, Hydrolagus cf. colliei, Hydrolagus collei, Hydrolagus media, Hydrolagus (Chimaera) colliei
Common name: Spotted ratfish
Original description species: (Lay & Bennett, 1839)
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Synonyms: Chimaera deani, Hydrolagus cf. deani
Common name: Philippine chimaera
Original description species: (Smith & Radcliffe, 1912)
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Common name: Robin’s Ghostshark
Original description species: Walovich, Ebert & Kemper, 2017
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Common name: Black ghostshark
Original description species: Didier, 2008
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Original description species: Moura, Figueiredo, Bordalo-Machado, Almeida & Gordo, 2005
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Synonyms: Hydrolagus macrophathalmus
Original description species: De Buen, 1959
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Original description species: Didier, 2008
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Common name: Striped rabbitfish
Original description species: Soto & Vooren, 2004
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Common name: Galápagos Ghost Shark
Original description species: Barnett, Didier, Long & Ebert, 2006
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Synonyms: Hydrolagus cf. melanophasma
Common name: Eastern Pacific Black Ghostshark
Original description species: James & Ebert & Long & Didier, 2009
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Synonyms: Chimaera mirabilis, Chimaera (Bathyalopex) mirabilis, Hydrolagus cf. mirabilis
Common name: Large-eyed rabbitfish
Original description species: (Collett, 1904)
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Synonyms: Chimaera mitsukurii, Chimaera mitsukurii Dean 1904, Hydrolagus cf. mitsukurii, Psychichthys mitsukurii
Common name: Spookfish
Original description species: (Jordan & Snyder, 1904)
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Synonyms: Chimaera monstrosa australis, Chimaera novae zealandiae, Chimaera novaezealandiae, Hydrolagus novaezelandiae, Phasmichthys novaezealandiae, Phasmichthys novaezelandiae
Common name: Dark ghost shark
Original description species: (Fowler, 1911)
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Common name: Pale ghost shark
Original description species: Hardy & Stehmann, 1990
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Synonyms: Chimaera eidolon, Chimaera gilberti, Chimaera purpurescens, Hydrolagus cf. purpurescens, Hydrolagus eidolon, Psychichthys eidolon
Common name: Purple chimaera
Original description species: (Gilbert, 1905)
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Synonyms: Hydrolagus cf. trolli
Common name: Pointy-nosed blue chimaera
Original description species: Didier & Séret, 2002
Genus: Hydrolagus Gill, 1863
Family: Chimaeridae Bonaparte, 1831
Order: Chimaeriformes
Subclass: Holocephali

Synonyms: Dasyatis americana, Dasyatis cf. americana, Hypanus americana
Common name: Southern stingray
Original description species: (Hildebrand & Schroeder, 1928)
Genus: Hypanus Rafinesque, 1818
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Original description species: Petean, Naylor & Lima, 2020
Genus: Hypanus Rafinesque, 1818
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Amphotistius dipterurus, Dasibatis brevis, Dasibatis dipterura, Dasyatis brevis, Dasyatis dipterura, Dasyatis dipterurus, Dasyatis hawaiensis, Dasyatis hawaiiensis, Dasybatis dipterura, Dasybatis dipterurus, Dasybatus brevis, Dasybatus dipterurus, Trygon brevis, Trygon dipterura, Trygon hawaiensis
Common name: Diamond stingray
Original description species: (Jordan & Gilbert, 1880)
Genus: Hypanus Rafinesque, 1818
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Amphotistius geijskesi, Dasyatis geijskesi, Fontitrygon geijskesi
Common name: Sharpsnout stingray
Original description species: (Boeseman, 1948)
Genus: Hypanus Rafinesque, 1818
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Amphotistius guttatus, Dasibatis tuberculata, Dasyatis guttata, Dasyatis guttatus, Dasyatis gymnura, Dasyatis tuberculata, Dasyatis tuberculatus, Dasybatus guttatus, Dasybatus tuberculatus, Raia tuberculata, Raja guttata, Raja tuberculata, Trygon gymnura, Trygon jabebara, Trygon osteosticta, Trygon tuberculata, Trygon (Trygon) tuberculatus
Common name: Longnose stingray
Original description species: (Bloch & Schneider, 1801)
Genus: Hypanus Rafinesque, 1818
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Amphotistius longus, Dasibatis longa, Dasyatis cf. longa, Dasyatis cf. longus, Dasyatis longa, Dasyatis longus, Dasybatis longus, Dasybatus longa, Dasybatus longus, Trygon longa
Common name: Longtail stingray
Original description species: (Garman, 1880)
Genus: Hypanus Rafinesque, 1818
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Dasyatis macrophthalma, Dasyatis marianae
Original description species: (Gomes, Rosa & Gadig, 2000)
Genus: Hypanus Rafinesque, 1818
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Bathytoshia rudis, Dasyatis rudis, Dasybatus rudis, Trygon rudis
Common name: Smalltooth stingray
Original description species: (Günther, 1870)
Genus: Hypanus Rafinesque, 1818
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Amphotistius sabinus, Dasibatis sabina, Dasyatis sabina, Dasyatis sabinus, Dasybatus sabinus, Hypanus sabina, Trygon sabina, Trygon (Trygon) sabina
Common name: Atlantic stingray
Original description species: (Lesueur, 1824)
Genus: Hypanus Rafinesque, 1818
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Amphotistius say, Dasibatis sayi, Dasyatis say, Dasyatis sayi, Dasybatus say, Dasybatus sayi, Myliobatis say, Raja say, Trygon sayi, Trygon (Trygon) sayi
Common name: Bluntnose stingray
Original description species: (Lesueur, 1817)
Genus: Hypanus Rafinesque, 1818
Family: Dasyatidae Jordan & Gilbert, 1879
Order: Myliobatiformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Hypnarce monopterygium, Hypnarce subnigra, Hypnarce subnigrum, Hypnos monopterigium, Hypnos monopterygium, Hypnos subniger, Hypnos subnigrum, Lophius monopterygius
Common name: Coffin ray
Original description species: (Shaw, 1795)
Genus: Hypnos Duméril, 1852
Family: Hypnidae Gill, 1862
Order: Torpediniformes
Superorder: Batomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii

Synonyms: Eugaleus hyugaensis, Galeorhinus hyugaensis, Galeorhinus zanzibarensis, Galeorhinus (Hypogaleus) zanzibarensis, Hypogaleus zanzibarensis
Common name: Blacktip tope
Original description species: (Miyosi, 1939)
Genus: Hypogaleus Smith, 1957
Family: Triakidae Gray, 1851
Order: Carcharhiniformes
Superorder: Galeomorphii
Subcohort: Neoselachii
Cohort: Euselachii
Subclass: Elasmobranchii