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Hexanchus (sixgill shark)

Chondrichthyes - Hexanchiformes - Hexanchidae

Synonymy list
YearName and author
1810Hexanchus Rafinesque
1927Hexanchus Arambourg p. 221
1963Hexanchus Jordan p. 597
1972Hexanchus Uyeno p. 223
1977Notidanus (Hexanchus) Herman p. 98
1977Hexanchus Itoigawa p. 125
1981Hexanchus Uyeno et al. pp. 82-83 figs. pl. 1, fg. A-E
1983Hexanchus Bendix-Almgreen p. 2
1983Hexanchus Thies p. 18
1987Hexanchus Kumar and Loyal p. 62
1991Hexanchus Müller and Diedrich p. 14
1993Hexanchus Long et al. p. 655
1994Hexanchus Cione and Reguero p. 5
1999Hexanchus Underwood and Mitchell
2001Hexanchus Purdy et al. p. 84
2002Hexanchus Sepkoski
2013Hexanchus Guinot et al. p. 595
2013Hexanchus Otero et al. p. 21 figs. Fg. 5: 1-6
2017Hexanchus Siversson and Machalski p. 442
2018Hexanchus Kent p. 57
2019Hexanchus Cappetta et al. p. 1130
2022Hexanchus Feichtinger et al. p. 4
2024Hexanchus Feichtinger et al. p. 4
2025Hexanchus Landau et al. p. 32

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
infraclassElasmobranchii(Bonaparte 1838)
superorderSqualomorphi(Compagno 1973)
orderHexanchiformesde Buen 1926
familyHexanchidaeGray 1851
genusHexanchusRafinesque 1810

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.

G. Hexanchus Rafinesque 1810 [sixgill shark]
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†Hexanchus agassizi Cappetta 1976
†Hexanchus andersoni Jordan 1907
†Hexanchus gigas Sismonda 1857
†Hexanchus gracilis Davis 1887
Hexanchus griseus Bonaterre 1788 [bluntnose sixgill shark]
†Hexanchus hookeri Ward 1979
†Hexanchus microdon Agassiz 1835
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: Hendy et al. 2009, Carroll 1988, Wagner 2023

Age range

Maximum range based only on fossils: base of the Aptian to the top of the Calabrian or 121.40000 to 0.77400 Ma
Minimum age of oldest fossil (stem group age): 113.2 Ma

Collections (124 total)


Time interval Ma Country or state Original ID and collection number
Aptian121.4 - 113.2Japan (Iwate) Hexanchus microdon (210766)
Late/Upper Albian106.3 - 100.5Poland Hexanchus sp. (213375)
Early/Lower Cenomanian100.5 - 93.9Germany Hexanchus microdon (210063)
Late/Upper Cenomanian100.5 - 93.9Lithuania Notidanus microdon (213719)
Middle Cenomanian100.5 - 93.9United Kingdom (England) Hexanchus sp. (213365)
Late/Upper Cretaceous100.5 - 66.0Japan (Hokkaido) Hexanchus microdon (161435)
Late/Upper Turonian93.9 - 89.8Germany Hexanchus microdon (276362)
Coniacian89.8 - 85.7Angola Notidanus microdon (60168)
Middle Coniacian89.8 - 85.7France (Nord-Pas-de-Calais) Notidanus microdon (89988)
Early/Lower Santonian85.7 - 83.6Japan Hexanchus sp., Hexanchus microdon (219958)
Late/Upper Santonian85.7 - 83.6Lebanon Hexanchus sp., Hexanchus gracilis (92241)
Late/Upper Santonian85.7 - 83.6Germany Hexanchus microdon (177609)
Late/Upper Santonian85.7 - 83.6United Kingdom (England) Hexanchus sp. (213377)
Santonian85.7 - 83.6Japan Hexanchus sp. (219963 228160)
Early/Lower Campanian83.6 - 72.2United Kingdom (England) Hexanchus sp. (213561)
Early/Lower Campanian83.6 - 72.2Germany (Niedersachsen) Hexanchus gracilis (31992)
Early/Lower Campanian83.6 - 72.2Japan Hexanchus sp. (228161)
Early/Lower Campanian83.6 - 72.2Germany Hexanchus gracilis (228233)
Early/Lower Campanian83.6 - 72.2Belgium Notidanus microdon (242027)
Late/Upper Campanian83.6 - 72.2Japan (Ehime) Hexanchus microdon (161436)
Late/Upper Campanian83.6 - 72.2Israel Hexanchus microdon (35443 35444 214862)
Late/Upper Campanian83.6 - 72.2Angola Hexanchus microdon (275709)
Late/Upper Campanian83.6 - 72.2Canada (British Columbia) Hexanchus microdon (221571 221572)
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0Syria Hexanchus sp. (117849 117850 117852)
Early/Lower Maastrichtian72.2 - 66.0Egypt Hexanchus microdon (275565)
Early/Lower Maastrichtian72.2 - 66.0Israel Hexanchus microdon (214864) Hexanchus sp. (214865)
Late/Upper Maastrichtian72.2 - 66.0Morocco Hexanchus microdon (99627)
Late/Upper Maastrichtian72.2 - 66.0USA (North Carolina) Notidanodon sp. (241417)
Late/Upper Maastrichtian72.2 - 66.0New Zealand (South Island) Hexanchus sp. (106757)
Late/Upper Maastrichtian72.2 - 66.0Austria Hexanchus microdon (228232 228907 228908 228909)
Late/Upper Maastrichtian72.2 - 66.0USA (Texas) Hexanchus sp. (61738)
Late/Upper Maastrichtian - Early/Lower Paleocene72.2 - 61.66USA (New Jersey) Hexanchus sp. (26819)
Danian66.0 - 61.66USA (New Jersey) Hexanchus sp. (26820)
Danian66.0 - 61.66Morocco Hexanchus sp. (137838)
Danian66.0 - 61.66Denmark Hexanchus microdon (241430) Hexanchus sp. (241429)
Danian66.0 - 61.66Sweden Hexanchus sp. (90575 90576)
Danian66.0 - 61.66Austria Hexanchus sp. (233260 233261)
Early/Lower Paleocene66.0 - 61.66USA (New Jersey) Hexanchus sp., Hexanchus microdon (62840)
Thanetian59.24 - 56.0USA (New Jersey) Hexanchus ensis (3113)
Thanetian59.24 - 56.0USA (California) Hexanchus microdon (189952)
Wasatchian56.0 - 51.1USA (Virginia) Hexanchus sp. (15595)
Early/Lower Eocene56.0 - 48.07Jordan Hexanchus sp. (65225)
Ypresian56.0 - 48.07India (Himachal Pradesh) Hexanchus sp. (31267)
Ypresian56.0 - 48.07United Kingdom (England) Hexanchus agassizi (3260 204217)
Ypresian - Lutetian56.0 - 41.03Antarctica (Seymour Island) Hexanchus sp. (149633)
Ypresian - Lutetian56.0 - 41.03Netherlands Hexanchus hookeri (276465)
Lutetian48.07 - 41.03France Hexanchus agassizi (74858)
Lutetian48.07 - 41.03Ukraine Hexanchus sp. (211009)
Lutetian - Bartonian48.07 - 37.71Argentina (Santa Cruz) Hexanchus agassizi (230269 230272 230273)
Lutetian - Bartonian48.07 - 37.71Antarctica (Seymour Island) Hexanchus sp. (53666)
Middle Eocene48.07 - 37.71Ukraine (Crimea) Hexanchus sp. (140018)
Bartonian41.03 - 37.71Spain Hexanchus agassizi (141924)
Priabonian37.71 - 33.9Egypt Hexanchus agassizi (96952) Hexanchus sp. (137542 137543 137545 137547 137549 137550 137551 137553 137554 137557 137564 137568 137569 137574)
Priabonian37.71 - 33.9Jordan Hexanchus sp. (32899)
Early/Lower Oligocene33.9 - 27.3Japan (Fukuoka) Hexanchus sp. (161440)
Early/Lower Oligocene33.9 - 27.3Japan (Fukushima) Hexanchus sp. (161439)
Chattian27.3 - 23.04New Zealand (South Otago) Notidanus gigas (45653)
Chattian27.3 - 23.04Australia (South Australia) Hexanchus agassizi (45792)
Chattian27.3 - 23.04USA (California) Hexanchus aus, Hexanchus bus (11601)
Miocene23.04 - 5.333Japan (Saitama) Hexanchus sp. (161441)
Miocene23.04 - 5.333Japan (Hiroshima) Hexanchus sp. (161447)
Burdigalian20.45 - 15.98Malta (Bahrija) Hexanchus griseus (161386)
Langhian15.98 - 13.82USA (California) Hexanchus sp. (59059)
Middle Miocene15.98 - 11.63Japan (Hokuriku) Hexanchus gigas (161492 161495 161496)
Middle Miocene15.98 - 11.63Japan (Shimane) Hexanchus serratissimus (52017)
Middle Miocene15.98 - 11.63Japan (Gifu) Hexanchus sp. (161445)
Middle Miocene15.98 - 11.63India (Orissa) Hexanchus sp. (46365)
Middle Miocene - Late/Upper Miocene15.98 - 5.333Chile (Huasco) Hexanchus sp. (223680)
Badenian13.82 - 12.8Slovakia (Bratislava) Hexanchus gigas (161996)
Serravallian13.82 - 11.63France Hexanchus vitulus (85338)
Serravallian13.82 - 11.63France (Gironde) Hexanchus nakamurai (161524 161527)
Serravallian - Tortonian13.82 - 7.246Malta (Ras ii-Karraba) Hexanchus griseus (161384)
Tortonian11.63 - 7.246Portugal Hexanchus griseus (276004)
Tortonian11.63 - 7.246Denmark Hexanchus primigenus (98312)
Tortonian11.63 - 7.246USA (California) Hexanchus sp. (13300)
Late/Upper Miocene11.63 - 5.333Chile (Antwerpen) Hexanchus griseus (154114)
Late/Upper Miocene11.63 - 5.333Netherlands Hexanchus gigas (53889)
Late/Upper Miocene11.63 - 5.333Netherlands (Noord-Brabant) Hexanchus griseus (162679)
Late/Upper Miocene11.63 - 5.333Portugal Hexanchus grlseus (56459)
Late/Upper Miocene11.63 - 5.333Costa Rica (Limon) Hexanchus sp. (162678)
Tortonian - Messinian11.63 - 5.333Peru Hexanchus gigas (46083)
Late/Upper Miocene - Early/Lower Pliocene11.63 - 3.6Argentina (Rio Negro) Hexanchus griseus (162669)
Tortonian - Piacenzian11.63 - 2.58USA (California) Hexanchus griseus (188305)
Messinian7.246 - 5.333Algeria Hexanchus gigas (186631)
Messinian7.246 - 5.333USA (California) Hexanchus sp. (117470)
Messinian - Zanclean7.246 - 3.6Mexico (Baja) Hexanchus griseus (154117)
Zanclean5.333 - 3.6Italy Hexanchus griseus (204946 276541)
Zanclean5.333 - 3.6USA (North Carolina) Hexanchus sp. (52582)
Pliocene5.333 - 2.58Netherlands Hexanchus griseus (276537)
Calabrian1.8 - 0.774Italy (Umbria) Hexanchus griseus (149603)