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Ischyodus

Chondrichthyes - Chimaeriformes - Callorhynchidae

Synonymy list
YearName and author
1843Ischyodus Egerton
1888Ischyodus Davis p. 42
1891Ischyodus Woodward p. 59
1918Ischyodus Chapman p. 24
1924Ischyodus Chapman and Cudmore p. 142
1975Ischyodus Applegate
1993Ischyodus Cvancara and Hoganson p. 13
2002Ischyodus Sepkoski
2002Ischyodus Underwood
2005Ischyodus Hoganson and Erickson p. 715
2006Ischyodus Nelson p. 46
2011Ischyodus Kriwet and Klug p. 956
2013Ischyodus Otero et al. p. 24 figs. Fg. 7: 1-3
2018Ischyodus Johnson-Ransom et al. p. 366
2018Ischyodus Kent p. 54
2018Ischyodus Marramà et al. p. 287
2019Ischyodus Hoganson et al. p. 47
2022Ischyodus Ebersole et al. p. 373
2024Ischyodus Jambura et al. p. 4

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassHolocephali(Bonaparte 1832)
superorderHolocephalomorphaLund 1986
orderChimaeriformesObruchev 1953
familyCallorhynchidae(Garman 1901)
genusIschyodusEgerton 1843

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. †Ischyodus Egerton 1843
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Ischyodus avitus Meyer 1800
Ischyodus beaumonti Egerton 1843
Ischyodus bifurcatus Case 1978
Ischyodus bohemicus Bayer 1905
Ischyodus dufrenoyi Egerton 1843
Ischyodus egertoni Buckland 1835
Ischyodus emarginatus Egerton 1843
Ischyodus incisus Newton 1878
Ischyodus latus Newton 1878
Ischyodus mortoni Chapman and Pritchard 1907
Ischyodus panus Newton 1878
Ischyodus quenstedti Wagner 1857
Ischyodus rayhaasi Hoganson and Erickson 2005
Ischyodus thurmanni Pictet and Campiche 1878
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Invalid names: Ischyodus brevirostris Newton 1876 [synonym]
Ischyodus townsendi Buckland 1835
Ischyodus yanschini Averianov 1991
Ischyodus zinsmeisteri Applegate 1975
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Created: 2009-07-21 06:54:26
Modified: 2009-07-21 08:54:26
Source: o = order, subp = subphylum
References: Carroll 1988, Wagner 2023, Hendy et al. 2009

Age range: base of the Late/Upper Bathonian to the top of the Zanclean or 167.70000 to 3.60000 Ma

Collections (70 total)


Time interval Ma Country or state Original ID and collection number
Bathonian168.3 - 166.1France I. emarginatus (131997)
Bathonian168.3 - 166.1United Kingdom I. emarginatus (131844 131846)
Late/Upper Bathonian167.7 - 164.7Russian Federation (Moskva) I. egertoni (52961)
Late/Upper Bathonian167.7 - 164.7United Kingdom (England) I. sp. (224639)
Oxfordian163.5 - 157.3United Kingdom (England) I. egertoni (100669)
Early/Lower Kimmeridgian155.7 - 150.8Spain I. egertoni (117865 117866)
Late/Upper Kimmeridgian155.7 - 150.8Germany (Baden-Württemberg) I. quenstedti (154138)
Late/Upper Kimmeridgian155.7 - 150.8France (Aquitaine) I. sp. (94532)
Late/Upper Kimmeridgian - Early/Lower Tithonian155.7 - 145.0United Kingdom (England) I. sp. (140224)
Cretaceous145.0 - 66.0USA (New Jersey) I. bifurcatus (125224)
Early/Lower Valanginian140.2 - 136.4France (Gard) I. thurmanni (213631)
Early/Lower Aptian125.45 - 122.46United Kingdom (England) I. thurmanni (52568)
Late/Upper Cenomanian99.6 - 93.5USA (Minnesota) I. sp. (61819)
Middle Cenomanian99.6 - 93.5Russian Federation (Volgograd) I. latus (92399)
Santonian86.3 - 83.6Russian Federation (Orenburg) I. yanschini (232890)
Campanian83.6 - 72.1New Zealand (South Island) I. brevirostris (101382)
Campanian83.6 - 72.1USA (New Jersey) I. sp. (124222)
Early/Lower Campanian83.5 - 70.6Russian Federation (Saratov) I. bifurcatus (86332 157353 224997)
Early/Lower Campanian - Middle Campanian83.5 - 70.6USA (North Carolina) I. bifurcatus (57918)
Late/Upper Campanian83.5 - 70.6USA (California) I. bifurcatus (176400)
Late/Upper Campanian83.5 - 70.6USA (New Jersey) I. bifurcatus (14455 32181)
Late/Upper Campanian83.5 - 70.6USA (Montana) I. bifurcatus (69150)
Late/Upper Campanian83.5 - 70.6USA (Delaware) I. bifurcatus (27570)
Middle Campanian - Late/Upper Campanian83.5 - 70.6USA (Montana) I. bifurcatus (69161) I. sp. (177498)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0USA (New Jersey) I. bifurcatus (14504 57916 221052) I. sp. (124933)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0Russian Federation (Volgograd) I. sp. (38075)
Maastrichtian72.1 - 66.0USA (Maryland) I. sp. (83331)
Early/Lower Maastrichtian70.6 - 66.0USA (New Jersey) I. bifurcatus (213744 213745)
Lancian70.6 - 66.0USA (North Dakota) I. sp. (53234)
Late/Upper Maastrichtian70.6 - 66.0USA (Mississippi) I. sp. (212621)
Late/Upper Maastrichtian70.6 - 66.0USA (New Jersey) I. sp. (124937)
Late/Upper Maastrichtian70.6 - 66.0USA (South Dakota) I. rayhaasi (179296)
Late/Upper Maastrichtian70.6 - 66.0USA (North Dakota) I. rayhaasi (179280 179282 179284 179286 179287 179288 179295 213583 213589) I. sp., I. rayhaasi (179285)
Late/Upper Maastrichtian - Early/Lower Paleocene70.6 - 61.7USA (New Jersey) I. dolloi, I. thurmanni (26819)
Early/Lower Paleocene66.0 - 61.7USA (New Jersey) I. williamsae (62840)
Danian66.0 - 61.6USA (Mississippi) I. williamsae (198620)
Danian66.0 - 61.6USA (Texas) I. dolloi (198621)
Danian66.0 - 61.6USA (Alabama) I. williamsae (198622)
Danian66.0 - 61.6USA (Illinois) I. williamsae (70129)
Paleocene66.0 - 56.0USA (California) I. zinsmeisteri (190534)
Selandian - Thanetian61.6 - 56.0USA (Alabama) I. dolloi (80384)
Thanetian59.2 - 56.0USA (Maryland) I. williamsae (123874)
Clarkforkian56.8 - 55.8USA (South Carolina) I. sp. (15074)
Ypresian56.0 - 47.8Italy (Verona) I. sp. (219837)
Lutetian - Bartonian47.8 - 38.0Antarctica (Seymour Island) I. dolloi (53666)
Lutetian - Bartonian47.8 - 38.0Argentina (Santa Cruz) I. sp. (230269)
Late/Upper Eocene37.2 - 33.9Chile I. dolloi (99478)
Aquitanian23.03 - 20.44Australia (Tasmania) I. mortoni (28307)
Messinian7.246 - 5.333Australia (Victoria) I. dolloi (46167)
Zanclean5.333 - 3.6Australia (Victoria) I. dolloi (51328 51335)