Proterochersidae

Proterochersidae is an extinct family of stem-turtles belonging to the clade Testudinata.^[1][3]

Proterochersidae Temporal range: Triassic, 221.5–205.6 Ma[1] PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Clade:	Pantestudines
Clade:	Testudinata
Family:	†Proterochersidae Nopcsa, 1928
Genera
see text
Synonyms[2]
Archaeochelyidae Fraas, 1913

List of genera

There are four genera:^[1][2]

• Chinlechelys Joyce et al., 2009
  • Chinlechelys tenertesta Joyce et al., 2009
• Keuperotesta Szczygielski & Sulej, 2016^[4] (junior synonym of Proterochersis?)^[5]
  • Keuperotesta limendorsa Szczygielski & Sulej, 2016^[4]
• Proterochersis Fraas, 1913
  • Proterochersis intermedia Fraas, 1913 (synonym of P. robusta?)^[4]
  • Proterochersis porebensis Szczygielski & Sulej, 2016^[4]
  • Proterochersis robusta Fraas, 1913
• Thaichelys Szczygielski et al., 2025^[2]
  • Thaichelys ruchae (Broin, 1984)^[2]