Reptilia - Testudines - Trionychidae
Alternative combinations: Aspideretes beecheri, Hummelichelys beecheri
Full reference: O. P. Hay. 1904. On some fossil turtles belonging to the Marsh Collection in Yale University Museum. American Journal of Science, Fourth Series 18(106):261-276
Belongs to Trionyx according to N. S. Vitek and W. G. Joyce 2015
See also Chkhikvadze 2000, Danilov and Vitek 2013, Estes 1964, Hay 1904, Hay 1908, Hay 1930 and Holroyd et al. 2014
Sister taxa: Trionyx admirabilis, Trionyx aequa, Trionyx allani, Trionyx austerus, Trionyx baynshirensis, Trionyx boulengeri, Trionyx capellinii, Trionyx dissolutus, Trionyx ellipticus, Trionyx eloisae, Trionyx foveatus, Trionyx gangeticus, Trionyx gilbentuensis, Trionyx gobiensis, Trionyx gregarius, Trionyx henrici, Trionyx ikoviensis, Trionyx jixiensis, Trionyx johnsoni, Trionyx kansaiensis, Trionyx latus, Trionyx leucopotamicus, Trionyx linchuensis, Trionyx miensis, Trionyx minusculus, Trionyx miocaenus, Trionyx mira, Trionyx ninae, Trionyx nopcsai, Trionyx onomatoplokos, Trionyx phayrei, Trionyx pliocenicus, Trionyx reesidei, Trionyx riabinini, Trionyx robustus, Trionyx shiluutulensis, Trionyx silvestris, Trionyx singularis, Trionyx triunguis, Trionyx uintaensis, Trionyx vindobonensis
Type specimen: YPM VP 000295, a partial skeleton. Its type locality is Converse County (?now Niobrara County), Eubaena cephalica holotype locality, which is in a Maastrichtian terrestrial horizon in the Lance Formation of Wyoming.
Ecology: aquatic piscivore-carnivore
Distribution:
• Cretaceous of United States (9: Montana, North Dakota, Wyoming collections)
Total: 9 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.