Polistodon

Polistodon Temporal range: Bajocian/Callovian, 171.6–161.2 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific 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

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]

References

1. 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.