Reptilia - Plesiosauria - Elasmosauridae
Alternative combination: Elasmosaurus serpentinus
Full reference: E. D. Cope. 1877. Report on the geology of the region of the Judith River, Montana, and on vertebrate fossils obtained on or near the Missouri River. Bulletin of the United States Geological and Geographical Survey 3(3):565-597
Belongs to Hydralmosaurus according to D. Madzia et al. 2018
See also Carpenter 1999, Cope 1877, Hay 1902, Hay 1930, Otero 2016, Storrs 1999, Welles 1940, Welles 1943, Welles 1949, Welles 1962, Williston 1903 and Williston 1906
Sister taxa: Styxosaurus browni, Styxosaurus snowii, Thalassonomosaurus marshii
Type specimen: AMNH 1495, a partial skeleton (the entire vertebral column, with the exception of a few anterior cervical and distal caudal vertebrae; the pectoral arch, with the clavicles and a good deal br). Its type locality is Bluff on southwest side of Missouri River, which is in a Campanian/Campanian marine shale in the Pierre Shale Formation of Nebraska.
Ecology: aquatic carnivore
Distribution: there are no occurrences of Hydralmosaurus serpentinus in the database
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.