Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Ischyodus
Taxonomy
Ischyodus was named by Egerton (1843) [Sepkoski's age data: J Bajo T Plio Sepkoski's reference number: 718,1066]. It is not extant.
It was synonymized subjectively with Edaphodon by Hay (1902).
It was assigned to Chimaeriformes by Sepkoski (2002); to Chimaeridae by Davis (1888), Woodward (1891), Chapman (1918), Chapman and Cudmore (1924) and Underwood (2002); to Callorhynchinae by Kriwet and Klug (2011); to Edaphodontidae by Applegate (1975), Cvancara and Hoganson (1993) and Johnson-Ransom et al. (2018); to Callorhinchidae by Nelson (2006) and Ebersole et al. (2022); and to Callorhynchidae by Hoganson and Erickson (2005), Otero et al. (2013), Marramà et al. (2018), Kent (2018), Hoganson et al. (2019) and Jambura et al. (2024).
It was synonymized subjectively with Edaphodon by Hay (1902).
It was assigned to Chimaeriformes by Sepkoski (2002); to Chimaeridae by Davis (1888), Woodward (1891), Chapman (1918), Chapman and Cudmore (1924) and Underwood (2002); to Callorhynchinae by Kriwet and Klug (2011); to Edaphodontidae by Applegate (1975), Cvancara and Hoganson (1993) and Johnson-Ransom et al. (2018); to Callorhinchidae by Nelson (2006) and Ebersole et al. (2022); and to Callorhynchidae by Hoganson and Erickson (2005), Otero et al. (2013), Marramà et al. (2018), Kent (2018), Hoganson et al. (2019) and Jambura et al. (2024).
Species
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1843 | Ischyodus Egerton |
1888 | Ischyodus Davis p. 42 |
1891 | Ischyodus Woodward p. 59 |
1918 | Ischyodus Chapman p. 24 |
1924 | Ischyodus Chapman and Cudmore p. 142 |
1975 | Ischyodus Applegate |
1993 | Ischyodus Cvancara and Hoganson p. 13 |
2002 | Ischyodus Sepkoski |
2002 | Ischyodus Underwood |
2005 | Ischyodus Hoganson and Erickson p. 715 |
2006 | Ischyodus Nelson p. 46 |
2011 | Ischyodus Kriwet and Klug p. 956 |
2013 | Ischyodus Otero et al. p. 24 figs. Fg. 7: 1-3 |
2018 | Ischyodus Johnson-Ransom et al. p. 366 |
2018 | Ischyodus Kent p. 54 |
2018 | Ischyodus Marramà et al. p. 287 |
2019 | Ischyodus Hoganson et al. p. 47 |
2022 | Ischyodus Ebersole et al. p. 373 |
2024 | Ischyodus Jambura et al. p. 4 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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
show all | hide all
†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
hide
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
|
|
||||
|
|
||||
|
|||||
|
|
||||
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 |
---|---|---|---|
Bathonian | France | I. emarginatus (131997) | |
Bathonian | United Kingdom | I. emarginatus (131844 131846) | |
Late/Upper Bathonian | Russian Federation (Moskva) | I. egertoni (52961) | |
Late/Upper Bathonian | United Kingdom (England) | I. sp. (224639) | |
Oxfordian | United Kingdom (England) | I. egertoni (100669) | |
Early/Lower Kimmeridgian | Spain | I. egertoni (117865 117866) | |
Late/Upper Kimmeridgian | Germany (Baden-Württemberg) | I. quenstedti (154138) | |
Late/Upper Kimmeridgian | France (Aquitaine) | I. sp. (94532) | |
Late/Upper Kimmeridgian - Early/Lower Tithonian | United Kingdom (England) | I. sp. (140224) | |
Cretaceous | USA (New Jersey) | I. bifurcatus (125224) | |
Early/Lower Valanginian | France (Gard) | I. thurmanni (213631) | |
Early/Lower Aptian | United Kingdom (England) | I. thurmanni (52568) | |
Late/Upper Cenomanian | USA (Minnesota) | I. sp. (61819) | |
Middle Cenomanian | Russian Federation (Volgograd) | I. latus (92399) | |
Santonian | Russian Federation (Orenburg) | I. yanschini (232890) | |
Campanian | New Zealand (South Island) | I. brevirostris (101382) | |
Campanian | USA (New Jersey) | I. sp. (124222) | |
Early/Lower Campanian | Russian Federation (Saratov) | I. bifurcatus (86332 157353 224997) | |
Early/Lower Campanian - Middle Campanian | USA (North Carolina) | I. bifurcatus (57918) | |
Late/Upper Campanian | USA (California) | I. bifurcatus (176400) | |
Late/Upper Campanian | USA (New Jersey) | I. bifurcatus (14455 32181) | |
Late/Upper Campanian | USA (Montana) | I. bifurcatus (69150) | |
Late/Upper Campanian | USA (Delaware) | I. bifurcatus (27570) | |
Middle Campanian - Late/Upper Campanian | USA (Montana) | I. bifurcatus (69161) I. sp. (177498) | |
Late/Upper Campanian - Early/Lower Maastrichtian | USA (New Jersey) | I. bifurcatus (14504 57916 221052) I. sp. (124933) | |
Late/Upper Campanian - Early/Lower Maastrichtian | Russian Federation (Volgograd) | I. sp. (38075) | |
Maastrichtian | USA (Maryland) | I. sp. (83331) | |
Early/Lower Maastrichtian | USA (New Jersey) | I. bifurcatus (213744 213745) | |
Lancian | USA (North Dakota) | I. sp. (53234) | |
Late/Upper Maastrichtian | USA (Mississippi) | I. sp. (212621) | |
Late/Upper Maastrichtian | USA (New Jersey) | I. sp. (124937) | |
Late/Upper Maastrichtian | USA (South Dakota) | I. rayhaasi (179296) | |
Late/Upper Maastrichtian | USA (North Dakota) | I. rayhaasi (179280 179282 179284 179286 179287 179288 179295 213583 213589) I. sp., I. rayhaasi (179285) | |
Late/Upper Maastrichtian - Early/Lower Paleocene | USA (New Jersey) | I. dolloi, I. thurmanni (26819) | |
Early/Lower Paleocene | USA (New Jersey) | I. williamsae (62840) | |
Danian | USA (Mississippi) | I. williamsae (198620) | |
Danian | USA (Texas) | I. dolloi (198621) | |
Danian | USA (Alabama) | I. williamsae (198622) | |
Danian | USA (Illinois) | I. williamsae (70129) | |
Paleocene | USA (California) | I. zinsmeisteri (190534) | |
Selandian - Thanetian | USA (Alabama) | I. dolloi (80384) | |
Thanetian | USA (Maryland) | I. williamsae (123874) | |
Clarkforkian | USA (South Carolina) | I. sp. (15074) | |
Ypresian | Italy (Verona) | I. sp. (219837) | |
Lutetian - Bartonian | Antarctica (Seymour Island) | I. dolloi (53666) | |
Lutetian - Bartonian | Argentina (Santa Cruz) | I. sp. (230269) | |
Late/Upper Eocene | Chile | I. dolloi (99478) | |
Aquitanian | Australia (Tasmania) | I. mortoni (28307) | |
Messinian | Australia (Victoria) | I. dolloi (46167) | |
Zanclean | Australia (Victoria) | I. dolloi (51328 51335) |