Reptilia - Testudines - Trionychidae
zoobank.org/A09F6604-BCEF-4CB1-A382-2F1CFD8C25D8
Full reference: W. J. Joyce, D. B. Brinkman, and T. R. Lyson. 2019. A new species of trionychid turtle, Axestemys infernalis sp. nov., from the Late Cretaceous (Maastrichtian) Hell Creek and Lance formations of the Northern Great Plains, USA. Palaeontologia Electronica 22(3):72:1-28
Belongs to Axestemys according to W. J. Joyce et al. 2019
Sister taxa: Axestemys byssina, Axestemys byssinus, Axestemys cerevisia, Axestemys erquelinnensis, Axestemys montinsana, Axestemys quinni, Axestemys splendidus, Axestemys vittata, Rafetus (Axestemys) exquisitus, Rafetus (Axestemys) nelsoni
Type specimen: DMNH 131100, a shell (near-complete carapace). Its type locality is Big Turtle Cove locality, which is in a Maastrichtian terrestrial sandstone in the Hell Creek Formation of North Dakota.
Ecology: aquatic piscivore-carnivore
Distribution:
• Cretaceous of United States (10: Montana, North Dakota, South Dakota, Wyoming collections)
Total: 10 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.