Reptilia - Testudinata - Helochelydridae
Full reference: O. P. Hay. 1908. The fossil turtles of North America. Carnegie Institution of Washington Publication 75:1-568
Belongs to Naomichelys according to D. R. Lawver and B. A. Garner 2023
See also Hay 1908, Hay 1930, Joyce 2017, Joyce et al. 2014, López-Conde et al. 2018 and Ostrom 1970
Sister taxa: none
Type specimen: AMNH 6136, a partial shell (entoplastron). Its type locality is AMNH 04-10, Beauvais Creek, which is in an Albian lacustrine claystone in the Cloverly Formation of Montana.
Ecology:
Distribution:
• Cretaceous of Mexico (1 collection), United States (16: Arkansas, Montana, Wyoming)
Total: 17 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.