†family Chthonosauridae Tatarinov 1974 (therapsid)

Osteichthyes - Therocephalia - Chthonosauridae

Parent taxon: Eutherocephalia according to A. K. Huttenlocker and R. M. H. Smith 2017

See also Tatarinov 2008

Sister taxa: Akidnognathidae, Baurioidea, Caodeyao, Dalongkoua, Perplexisauroidea, Scaloposaurida, Whaitsioidea

Subtaxa: Chthonosaurus Ichibengops

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Ecology: carnivore


• Severodvinian of the Russian Federation (2 collections)

• Permian of Zambia (1)

Total: 3 collections each including a single occurrence

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