†family Simoedosauridae Lemone 1884 (choristodere)
Reptilia - Choristodera - Simoedosauridae
Parent taxon: Neochoristodera according to K. -Q. Gao and R. C. Fox 2005
See also Evans 1990, Evans 1991, Gao and Fox 1998 and Gao and Li 2007
Sister taxa: Champsosauridae, Champsosaurus, Ikechosaurus, Tchoiria
Subtaxa: Kosmodraco Liaoxisaurus Simoedosaurus
Ecology:
Distribution:
• Eocene of Belgium (2 collections), Kazakhstan (1)
• Clarkforkian of United States (1: Montana)
• Paleocene of Canada (1: Saskatchewan), France (1), Kazakhstan (1), United States (4: North Dakota, Wyoming)
• Cretaceous of China (1)
Total: 12 collections each including a single occurrence