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Hexanchidae (cow shark)

Chondrichthyes - Squalomorphii - Hexanchidae

Synonymy list
YearName and author
1851Hexanchidae Gray
1902Hexanchidae Hay p. 300
1946Hexanchidae Rapp p. 510
1963Hexanchidae Jordan p. 597
1974Hexanchidae Welton p. 6
1983Hexanchidae Bendix-Almgreen p. 2
1983Hexanchidae Thies p. 11
1987Hexanchidae Kumar and Loyal p. 62
1992Hexanchidae Long p. 14
1993Hexanchidae Cvancara and Hoganson p. 3
1993Hexanchidae Long et al. p. 655
1994Hexanchidae Cione and Reguero p. 5
1997Hexanchidae Case and Cappetta p. 134
1997Hexanchidae Siverson p. 455
2000Hexanchidae Rees p. 412
2006Hexanchidae Underwood p. 234
2007Hexanchidae Cahuzac et al. p. 12
2007Hexanchidae Carnevale
2016Hexanchidae Bogan et al.
2016Hexanchidae Nelson et al. p. 74
2018Hexanchidae Kent p. 55
2020Hexanchidae VillafaƱa et al. p. 727
2024Hexanchidae Feichtinger et al. p. 4

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassElasmobranchiiBonaparte 1838
infraclassEuselachii()
NeoselachiiCompagno 1977
orderSqualomorphiiCompagno 1973
orderHexanchiformesde Buen 1926
familyHexanchidaeGray 1851
familyHexanchidaeGray 1851

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.

Fm. Hexanchidae Gray 1851 [cow shark]
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G. †Gladioserratus Underwood et al. 2011
+
Gladioserratus aptiensis Pictet 1865
Gladioserratus dentatus Guinot et al. 2014
Gladioserratus magnus Underwood et al. 2011
G. Heptranchias Rafinesque 1810 [sevengill shark]
+
Heptranchias andersoni Jordan 1907
Heptranchias cinereus Gmelin 1789
Heptranchias ezoensis Applegate and Uyeno 1968
Heptranchias howellii Reed 1946
Heptranchias perlo Bonnaterre 1788
G. Hexanchus Rafinesque 1810 [sixgill shark]
+
Hexanchus agassizi Cappetta 1976
Hexanchus gigas Sismonda 1857
Hexanchus gracilis Davis 1887
Hexanchus microdon Agassiz 1835
Hexanchus wiedenrothi Thies 1983
G. †Monopterhinus Blainville 1816
G. †Notidanion Jordan 1923
+
Notidanion boreale Jordan and Hanibal 1923
Notidanion chiconis Jordan 1907
G. †Notidanodon Cappetta 1975
+
Notidanodon dentatus Woodward 1886
Notidanodon lanceolatus Woodward 1886
Notidanodon pectinatus Agassiz 1843
G. Notidanus Cuvier 1817
+
Notidanus gracilis Davis 1887
Notidanus jenningsi Chapman and Pritchard 1904
Notidanus loozi Vincent 1876
Notidanus marginalis Davis 1888
Notidanus munsteri Agassiz 1843
Notidanus recurvus Agassiz 1843
Notidanus serratus Fraas 1855
Notidanus tenuidens Leriche 1938
Notidanus ultra Ameghino 1901
G. Notorhynchus Ayres 1855 [sevengill shark]
+
Notorhynchus primigenius Agassiz 1835
G. Notorynchus Ayers 1855
+
+
Invalid names: Notidanus plectrodon Cope 1867 [synonym]
Notorynchus thevenardi Delfortrie 1878
G. †Protoheptranchias Cappetta et al. 2019
+
Protoheptranchias lowei Cappetta et al. 2019
G. †Xampylodon Cappetta et al. 2019
+
Xampylodon dentatus Woodward 1886
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Created: 2009-07-21 07:04:38
Modified: 2009-07-21 09:04:38
Source: o = order, subp = subphylum
References: Carroll 1988, Wagner 2023, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Wordian to the top of the Late/Upper Pleistocene or 268.80000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 265.1 Ma

Collections (279 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Wordian268.8 - 265.1Japan Hexanchidae indet. (133500)
Pliensbachian190.8 - 182.7Germany Hexanchus wiedenrothi (137184)
Late/Upper Pliensbachian189.6 - 183.0Sweden (Scania) Hexanchidae indet. (90692)
Margaritatus189.6 - 183.0France Hexanchidae indet. (149432)
Spinatum189.6 - 183.0France (Ardennes) Hexanchidae indet. (149428)
Late/Upper Callovian164.7 - 161.2Poland Hexanchidae indet. (117993)
Kimmeridgian157.3 - 152.1Germany Notidanus munsteri (131889)
Cretaceous145.0 - 66.0New Zealand (South Island) Notidanus sp. (204190)
Early/Lower Valanginian140.2 - 136.4France (Gard) Gladioserratus dentatus (213631)
Late/Upper Hauterivian136.4 - 130.0United Kingdom (England) Notidanodon lanceolatus (66420) Notorhynchus aptiensis (66418)
Early/Lower Aptian125.45 - 122.46United Kingdom (England) Notorhynchus aptiensis (213576 213577)
Aptian125.0 - 113.0Japan (Iwate) Hexanchus microdon (210766)
Late/Upper Aptian122.46 - 112.03France Notorhynchus aptiensis (214869)
Late/Upper Aptian122.46 - 112.03Germany (Niedersachsen) Notidanus sp. (122700)
Late/Upper Aptian122.46 - 112.03USA (California) Notidanodon lanceolatus (90650)
Albian113.0 - 100.5Australia (Western Australia) Notorynchus aptiensis (90688)
Early/Lower Albian112.03 - 109.0United Kingdom (England) Notorhynchus aptiensis (213321 213323 213324)
Middle Albian109.0 - 105.3United Kingdom (England) Notorhynchus aptiensis (213325 213326 213367)
Late/Upper Albian105.3 - 99.6United Kingdom (England) Notorhynchus aptiensis (213327 213328 213329 213330 213331 213332 213333 213334 213335 213336 213337 213338 213339 213340 213341 213346 213348 213349 213350 213351 213368 213369 213370 213371 213372 213373 213374)
Late/Upper Albian105.3 - 99.6Poland Hexanchus sp. (213375)