Reptilia - Parareptilia - Procolophonidae
Parent taxon: Procolophonidae according to R. J. Butler et al. 2023
See also Cisneros and Schultz 2003, Modesto et al. 2002, Modesto and Damiani 2003, Modesto and Damiani 2007, Säilä 2008, Saila 2010, Silva-Neves et al. 2024, Small 1997, Sues et al. 2000 and Sues and Reisz 2008
Sister taxa: Acadiella, Coletta, Contritosaurus, Eomurruna, Estheriophagus, Eumetabolodon, Gomphiosauridion, Haligonia, Kitchingnathus, Koiloskiosaurus, Lasasaurus, Myognathus, Neoprocolophon, Oryporan, Paoteodon, Pentaedrusaurus, Procolophoninae, Procolophonoides, Sauropareion, Smilodonterpeton, Spondylolestes, Spondylolestidae, Suchonosaurus, Teratophon, Thelegnathus, Thelegnathus browni, Thelephon, Thelerpeton, Tichvinskia, Youngetta
Subtaxa: Anomoiodon Cornualbus Hwiccewyrm Hypsognathus Kapes Leptopleuron Libognathus Mandaphon Phonodus Sclerosaurus Scoloparia Soturnia Theledectes
Type: Leptopleuron
Ecology:
Distribution:
• Triassic of Brazil (2 collections), Canada (5: Nova Scotia), Germany (3), the Russian Federation (4), South Africa (2), Switzerland (1), Tanzania (1), the United Kingdom (7), United States (6: Connecticut, New Jersey, Texas, Utah)
Total: 31 collections including 37 occurrences