Polistodon is an extinct genus of tritylodonts from the Bajocian or Callovian (Middle Jurassic) of China.[1] It contains one species, P. chuannanensis, which is known from a single skull from the Xiashaximiao Formation.[1] According to one study, it may be a species of the genus Stereognathus.[2]

Polistodon
Temporal range: Bajocian/Callovian, 171.6–161.2 Ma
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Synapsida
Clade: Therapsida
Clade: Cynodontia
Family: Tritylodontidae
Genus: Polistodon
He & Cai, 1984
Species:
P. chuannanensis
Binomial name
Polistodon chuannanensis
He & Cai, 1984

References

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  1. ^ a b Fossilworks. "Polistodon." Retrieved from
  2. ^ Averianov, A.O.; Martin, T.; Lopatin, A.V.; Schultz, J.A.; Skutschas, P.P.; Rico, S.; Krasnolutskii, S.A. (2017). "A tritylodontid synapsid from the Middle Jurassic of Siberia and the taxonomy of derived tritylodontids". Journal of Vertebrate Paleontology. 37 (5): e1363767. Bibcode:2017JVPal..37E3767A. doi:10.1080/02724634.2017.1363767. S2CID 90249441.