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Hexanchiformes

Chondrichthyes - Hexanchiformes

Synonymy list
YearName and author
1926Hexanchiformes de Buen
1983Hexanchiformes Thies p. 11
1993Hexanchiformes Cvancara and Hoganson p. 3
1993Hexanchiformes Long et al. p. 655
1994Hexanchiformes Cione and Reguero p. 5
2000Hexanchiformes Rees p. 412
2001Hexanchiformes Purdy et al. p. 82
2002Hexanchiformes Sepkoski
2004Hexanchiformes Underwood and Ward p. 474
2006Hexanchiformes Underwood p. 233
2007Hexanchiformes Cahuzac et al. p. 12
2007Hexanchiformes Carnevale p. 6
2011Hexanchiformes Long p. 242
2016Hexanchiformes Bogan et al.
2016Hexanchiformes Nelson et al. p. 73
2018Hexanchiformes Kent p. 55
2019Hexanchiformes Stumpf and Kriwet p. 648
2019Hexanchiformes van der Laan p. 43
2024Hexanchiformes dos Santos et al. p. 4
2025Hexanchiformes Landau et al. p. 32

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
RankNameAuthor
superclassGnathostomata
classChondrichthyes
infraclassElasmobranchii(Bonaparte 1838)
superorderSqualomorphi(Compagno 1973)
orderHexanchiformesde Buen 1926
orderHexanchiformesde Buen 1926

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Or. Hexanchiformes de Buen 1926
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G. Chlamydoselachus Garman 1884
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Chlamydoselachus anguineus Garman 1884 [frilled shark]
†Chlamydoselachus balli Cappetta et al. 2019
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Invalid names: Glyphis subulata Gibbes 1847 [synonym]
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Invalid names: Thrinax baumgartneri Pfeil 1983 [synonym]
†Chlamydoselachus gracilis Antunes and Cappetta 2002
†Chlamydoselachus kamchaticus Malyshkina and Nazarkin 2024
Invalid names: Thrinax [synonym]
G. †Dykeius Cappetta et al. 2019
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†Dykeius garethi Cappetta et al. 2019
G. †Rolfodon Cappetta et al. 2019
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†Rolfodon bracheri Pfeil 1983
†Rolfodon goliath Antunes and Cappetta 2002
†Rolfodon keyesi Mannering and Hiller 2008
†Rolfodon landinii Carillo-Briceño et al. 2014
†Rolfodon ludvigseni Cappetta et al. 2019
†Rolfodon tatere Consoli 2008
†Rolfodon thomsoni Richter and Ward 1990
Fm. †Crassonotidae Kriwet and Klug 2012
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G. †Pachyhexanchus Cappetta 1990
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†Pachyhexanchus pockrandti Ward and Thies 1987
Fm. Heptranchidae Barnard 1925
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G. Heptranchias Rafinesque 1810 [sevengill shark]
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†Heptranchias howellii Reed 1946
Heptranchias perlo Bonnaterre 1788 [sharpnose sevengill shark]
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Invalid names: Squalus cinereus Gmelin 1789 [synonym]
†Heptranchias tenuidens Leriche 1938
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Invalid names: Heptranchias ezoensis Applegate and Uyeno 1968 [synonym], Heptranchias karagalensis Kozlov 1999 [synonym]
Fm. Hexanchidae Gray 1851 [cow shark]
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G. †Eonotidanus Pfeil 1893
G. †Gladioserratus Underwood et al. 2011
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†Gladioserratus aptiensis Pictet 1865
†Gladioserratus dentatus Guinot et al. 2014
†Gladioserratus magnus Underwood et al. 2011
G. Hexanchus Rafinesque 1810 [sixgill shark]
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†Hexanchus agassizi Cappetta 1976
†Hexanchus andersoni Jordan 1907
†Hexanchus casieri Kozlov 1999
†Hexanchus gigas Sismonda 1857
†Hexanchus gracilis Davis 1887
Hexanchus griseus Bonaterre 1788 [bluntnose sixgill shark]
†Hexanchus hookeri Ward 1979
†Hexanchus microdon Agassiz 1835
†Hexanchus tusbairicus Kozlov 1999
G. †Monopterhinus Blainville 1816
G. †Notidanion Jordan 1923
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†Notidanion boreale Jordan and Hanibal 1923
G. †Notidanodon Cappetta 1975
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†Notidanodon dentatus Woodward 1886
†Notidanodon lanceolatus Woodward 1886
†Notidanodon pectinatus Agassiz 1843
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Invalid names: Notidanodon antarcti Grande and Chatterjee 1987 [synonym]
G. Notidanus Cuvier 1817
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†Notidanus gracilis Davis 1887
†Notidanus jenningsi Chapman and Pritchard 1904
†Notidanus marginalis Davis 1888
†Notidanus munsteri Agassiz 1843
†Notidanus recurvus Agassiz 1843
†Notidanus ultra Ameghino 1901
G. Notorhynchus Ayres 1855 [sevengill shark]
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†Notorhynchus lerichei Kozlov 1999
†Notorhynchus primigenius Agassiz 1835
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Invalid names: Notidanus thevenardi Delfortrie 1878 [synonym]
G. Notorynchus Ayers 1855
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Invalid names: Notidanus plectrodon Cope 1867 [synonym], Notorhynchus maculatus Ayres 1855 [synonym], Notorynchus maculatus Ayers 1855 [synonym]
†Notorynchus kempi Ward 1979
†Notorynchus serratissimus Agassiz 1843
G. †Protoheptranchias Cappetta et al. 2019
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†Protoheptranchias lowei Cappetta et al. 2019
G. †Weltonia
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†Weltonia ancistrodon Arambourg 1952
†Weltonia burnhamensis Ward 1979
G. †Xampylodon Cappetta et al. 2019
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†Xampylodon brotzeni Siverson 1995
†Xampylodon dentatus Woodward 1886
†Xampylodon diastemacron dos Santos et al. 2024
†Xampylodon loozi Vincent 1876
Invalid names: Eonotidanidae Pfiel 1983 [synonym]
Subor. †Hexanchoidei Hay 1902
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Fm. †Crassodontidanidae Kriwet and Klug 2016
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G. †Crassodontidanus Kriwet and Klug 2011
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G. †Notidanoides Maisey 1986
Fm. †Komoksodontidae Cappetta et al. 2019
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G. †Komoksodon Cappetta et al. 2019
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†Komoksodon kwutchakuth Cappetta et al. 2019
Fm. †Orthacodidae Glikman 1957
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G. †Archaeogracilidens Villalobos-Segura et al. 2025
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†Archaeogracilidens macer Quenstedt 1851
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Invalid names: Oxyrhina ornati Quenstedt 1851 [synonym], Sphenodus nitidus Wagner 1862 [synonym]
G. †Occitanodus Guinot et al. 2014
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†Occitanodus sudrei Guinot et al. 2014
Invalid names: Orthacodontidae de Beaumont 1960 [objective synonym]
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†Paraheptranchias repens Probst 1879
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Invalid names: Notidanus avenionensis Joleaud 1912 [synonym]
G. †Paranotidanus Ward and Thies 1987
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†Paranotidanus serratus Fraas 1855
Diagnosis
No diagnoses are available