PaleoDB taxon number: 63174
Full reference: K. -Q. Gao and R. C. Fox. 1991. New teiid lizards from the Upper Cretaceous Oldman Formation (Judithian) of southeastern Alberta, Canada, with a review of the Cretaceous record of teiids. Annals of Carnegie Museum 60(2):145-162
Sister taxon: Socognathus brachyodon
Type specimen: UALVP 29739, a mandible (an incomplete left dentary bearing 11 well-preserved teeth and bases of six others). Its type locality is Railway Grade, which is in a Judithian terrestrial horizon in the Oldman Formation of Canada.