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Polistodon

Polistodon
Temporal range: Bajocian/Callovian, 171.6–161.2 Ma
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Order: Therapsida
Suborder: Cynodontia
Family: Tritylodontidae
Genus: Polistodon
He & Cai, 1984
Type species
Polistodon chuannanensis
He & Cai, 1984

Polistodon is an extinct genus of tritylodonts from the Bajocian or Callovian (Middle Jurassic) of China. The type specimen is a single skull from the Xiashaximiao Formation. It may be a species of the genus Stereognathus.


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Wikipedia

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