†family Thalattosauridae Merriam 1904 (diapsid)
Reptilia - Thalattosauria - Thalattosauridae
Parent taxon: Thalattosauroidea according to E. L. Nicholls 1999
See also Benton 1985, Kuhn 1946, Merriam 1905, Nicholls and Brinkman 1993, Nopcsa 1923, Seiffert 1975 and Zhao et al. 2013
Sister taxa: Agkistrognathus, Clarazia, Hescheleria, Nectosaurus, Paralonectes, Thalattosaurus, Xinpusaurus
Subtaxa: Concavispina Thalattosaurida
Ecology:
Distribution:
• Triassic of Canada (1: British Columbia collection), China (1)
Total: 2 collections each including a single occurrence