Reptilia - Testudines - Trionychidae
Alternative spelling: Rafetus (Axestemys)
Synonyms: Axestus Cope 1872, Eurycephalochelys Moody and Walker 1970
Full reference: O. P. Hay. 1899. On the nomenclature of certain American fossil vertebrates. The American Geologist 24:345-349
Parent taxon: Trionychinae according to A. Perez-Garcia and T. Smith 2021
See also Carroll 1988, Chkhikvadze 2000, Cope 1872, Cope 1884, Georgalis and Joyce 2017, Hay 1899, Hay 1902, Hay 1908, Hay 1930, Hutchison 1992, Hutchison and Holroyd 2003, Joyce et al. 2019, Lichtig and Lucas 2015, Lydekker 1889, Moody and Walker 1970, Vitek 2012 and Vitek and Joyce 2015
Sister taxa: Aulacochelys, Chitrini, Dogania, Nilssonia, Palea, Pelodiscus, Rafetus, Trionychini, Trionyx, Trionyx (Amyda) subangularis, Trionyx bambolii, Trionyx blayaci, Trionyx desmostyli, Trionyx dieupentalensis, Trionyx harmati, Trionyx irregularis, Trionyx pliopedemontana, Trionyx stadleri, Trionyx stiriacus
Subtaxa: Axestemys byssina Axestemys byssinus Axestemys cerevisia Axestemys erquelinnensis Axestemys infernalis Axestemys montinsana Axestemys quinni Axestemys splendidus Axestemys vittata Rafetus (Axestemys) exquisitus Rafetus (Axestemys) nelsoni
Type: Axestus byssinus
Ecology: aquatic piscivore-carnivore
Distribution:
• Miocene of France (1 collection)
• Eocene of Belgium (3), France (10), the United Kingdom (1), United States (6: Wyoming)
• Clarkforkian of United States (1: Colorado)
• Paleocene of Belgium (1), United States (18: Colorado, Montana, New Mexico, North Dakota)
• Cretaceous of Canada (5: Alberta), United States (17: Montana, North Dakota, South Dakota, Wyoming)
Total: 63 collections including 65 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.