Proterochersidae

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Division: Archelosauria
Division: Pan-Testudines
Division: Testudinata
Ordo: Testudines
Subordo: †Proganochelydia
Familia: Proterochersidae
Genus: Proterochersis

Proterochersidae is an extinct family of stem-turtles belonging to Testudinata.[1][2]
List of genera

There are two genera:[1]

Keuperotesta Szczygielski & Sulej, 2016[3] (junior synonym of Proterochersis?)[4]
Keuperotesta limendorsa Szczygielski & Sulej, 2016[3]
Proterochersis Fraas, 1913
Proterochersis intermedia Fraas, 1913 (synonym of P. robusta?)[3]
Proterochersis porebensis Szczygielski & Sulej, 2016[3]
Proterochersis robusta Fraas, 1913

References

"†family Proterochersidae Nopcsa 1928". Paleobiology Database. Fossilworks. Retrieved 14 August 2020.
"Proterochersidae". Global Biodiversity Information Facility. Retrieved 14 August 2020.
Szczygielski, Tomasz & Tomasz Sulej (2016). "Revision of the Triassic European turtles Proterochersis and Murrhardtia (Reptilia, Testudinata, Proterochersidae), with the description of new taxa from Poland and Germany". Zoological Journal of the Linnean Society. 177 (2): 395–427. doi:10.1111/zoj.12374.
Joyce, Walter G. (2017). "A review of the fossil record of basal Mesozoic turtles" (PDF). Bulletin of the Peabody Museum of Natural History. 58 (1): 65–113. doi:10.3374/014.058.0105. S2CID 54982901.