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Onchosaurus
Taxonomy
Onchosaurus was named by Gervais (1852) [Sepkoski's age data: K Turo K Sant Sepkoski's reference number: 884]. Its type is Onchosaurus radicalis.
It was assigned to Mosasauridae by Gervais (1852) and Gervais (1853); to Ganopristinae by Arambourg (1940); to Pristidae by Tabaste (1963); to Galeomorphii by Sepkoski (2002); and to Sclerorhynchidae by Cappetta (1987), Suárez and Cappetta (2004), Bourdon et al. (2011) and Corral et al. (2012).
It was assigned to Mosasauridae by Gervais (1852) and Gervais (1853); to Ganopristinae by Arambourg (1940); to Pristidae by Tabaste (1963); to Galeomorphii by Sepkoski (2002); and to Sclerorhynchidae by Cappetta (1987), Suárez and Cappetta (2004), Bourdon et al. (2011) and Corral et al. (2012).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1852 | Onchosaurus Gervais p. 262 |
| 1853 | Onchosaurus Gervais p. 471 |
| 1887 | Gigantichthys Dames |
| 1887 | Titanichthys Dames p. 70 |
| 1940 | Onchosaurus Arambourg |
| 1963 | Gigantichthys Jordan p. 588 |
| 1963 | Onchosaurus Tabaste p. 472 |
| 1987 | Onchosaurus Cappetta p. 154 |
| 2002 | Onchosaurus Sepkoski |
| 2004 | Onchosaurus Suárez and Cappetta |
| 2011 | Onchosaurus Bourdon et al. p. 37 |
| 2012 | Onchosaurus Corral et al. p. 212 |
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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. †Onchosaurus Gervais 1852
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Subg. †Onchosaurus (Onchosaurus) Gervais 1852
†Onchosaurus pharao Dames 1887
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Invalid names: Ischyrhiza iwakiensis Uyeno and Hasegawa 1986 [synonym]
†Onchosaurus radicalis Gervais 1852
Invalid names: Gigantichthys Dames 1887 [synonym], Titanichthys Dames 1887 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Hendy et al. 2009, Wagner 2023, Carroll 1988 | |||||
Age range: base of the Early/Lower Turonian to the top of the Ypresian or 93.50000 to 47.80000 Ma
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Cretaceous | Niger (Zinder) | O. pharao (75235 75239 75240 75255 75256) | |
| Early/Lower Turonian | Nigeria | Gigantichthys sp. (210108) | |
| Late/Upper Coniacian | Spain (Burgos) | O. radicalis (213731) | |
| Santonian | Japan (Fukushima) | Ischyrhiza iwakiensis (91414) | |
| Early/Lower Santonian | France (Pays de la Loire) | O. sp. (67998) | |
| Early/Lower Santonian - Middle Santonian | USA (New Mexico) | O. sp. (52037) | |
| Early/Lower Campanian - Late/Upper Campanian | USA (Texas) | O. sp. (91311) | |
| Late/Upper Campanian | France | O. radicalis (59676) | |
| Middle Campanian | Egypt (Al Wadi al Jadid) | O. sp. (54083) | |
| Maastrichtian | Niger (Tahoua) | O. pharao (48868) | |
| Lancian | USA (Montana) | O. avonicolus (14549) | |
| Ypresian | France (Île-de-France) | O. sp. (68437) |