PaleoDB taxon number: 253219
Full reference: N. R. Longrich, B.-A. S. Bhullar, and J. A. Gauthier. 2012. Mass extinction of lizards and snakes at the Cretaceous–Paleogene boundary. Proceedings of the National Academy of Sciences 109(52):21396-21401
Sister taxon: Socognathus unicuspis
Type specimen: YPM-PU 16724, a mandible (dentary ). Its type locality is Polecat Bench: Lance, which is in a Lancian terrestrial horizon in the Lance Formation of Wyoming.