Axestemys Hay 1899 (softshell turtle)

Reptilia - Testudines - Trionychidae

Alternative spelling: Rafetus (Axestemys)

Synonyms: Axestus Cope 1871, 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 W. J. Joyce et al. 2019

See also Carroll 1988, Chkhikvadze 2000, Cope 1871, Cope 1884, Georgalis and Joyce 2017, Hay 1899, Hay 1902, Hay 1908, Hutchison 1992, Hutchison and Holroyd 2003, Lichtig and Lucas 2015, Lydekker 1889, Moody and Walker 1970, Vitek 2012 and Vitek and Joyce 2015

Sister taxa: Aulacochelys, Chitra, Chitrini, Dogania, Nilssonia, Palea, Pelochelys, 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 infernalis Axestemys montinsana Axestemys quinni Axestemys splendidus Axestemys vittata Rafetus (Axestemys) exquisitus Rafetus (Axestemys) nelsoni

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Type: Axestus byssinus

Ecology: aquatic piscivore-carnivore


• Miocene of France (1 collection)

• Eocene of Belgium (3), France (10), the United Kingdom (1), United States (6: Wyoming)

• Paleocene of Belgium (1), United States (11: Colorado, Montana, New Mexico, North Dakota)

• Cretaceous of Canada (4: Alberta), United States (16: Montana, North Dakota, South Dakota, Wyoming)

Total: 53 collections including 54 occurrences

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Specimen images are retrieved through the ePANDDA API.

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