PaleoDB taxon number: 68102
Full reference: O. C. Marsh. 1871. Description of some new fossil serpents, from the Tertiary deposits of Wyoming. The American Journal of Science and Arts, series 3 1(5):322-329
Type specimen: PMNH 468, a set of vertebrae (single thoracic vertebra). Its type locality is Grizzly Buttes, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.
Ecology: scansorial carnivore