Chroniosaurus

Chroniosaurus
Temporal range: Upper Permian
C. dongusensis
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Reptiliomorpha (?)
Order: Chroniosuchia
Family: Chroniosuchidae
Genus: Chroniosaurus
Tverdochlebova, 1972
Species
  • C. dongusensis Tverdokhlebova, 1972 (type)
  • C. levis Golubev, 1998

Chroniosaurus is an extinct genus of chroniosuchid stegocephalian, often considered a reptiliomorph but possibly a stem-tetrapod, from upper Permian (upper Tatarian age) deposits of Novgorod, Orenburg and Vologda Regions, Russia. It was first named by Tverdokhlebova in 1972 and the type species is Chroniosaurus dongusensis.