Parent taxon: Pantestudines according to X. A. Jenkins et al. 2026
See also Bonaparte 1850, Carroll 1988, Cope 1871, Cope 1875, Cope 1891, Cvancara and Hoganson 1993, Dundee 1989, Estes 1964, Estes and Berberian 1970, Fitzinger 1826, Gardiner 1982, Haas 1978, Hay 1930, Huene 1954, Jaekel 1911, Joyce et al. 2004, Kuhn 1946, Kuhn 1966, Li et al. 2008, Lydekker 1889, Martinelli and Forasiepi 2004, Nopcsa 1928, Osborn 1903, Osborn 1903, Osborn 1904, Roxo 1937, Sterli 2008 and Zittel 1890
Sister taxa: Eorhynchochelys, Pappochelys
Subtaxa: Amblypus Ancyropus Aplax oberndorferi Athecae Australochelyidae Australochelys Chelonipedidae Chelycarapookus Chelycarapookus arcuatus Chelys blakii Chengyuchelyidae Chengyuchelys Emydhipus Emys neumayri Emys paranensis Eunotosauria Heckerochelyidae Helcura Helochelydridae Kallokibotion Megasternon Mesochelydia Mongolochelyidae Odontochelydia Palaeochersis Pappochelydia Paracryptodira Perichelydia Platemys sehuensis Platycheloides Proganochelyidae Proganochelys Proterochersidae Protochelys Saltosauropus Siamochelys Testudines Testudinites Testudo elata Testudo stricklandi Testudofiexoolithidae Testudoolithidae Thalassochelydia Thecophora Tretosternon punctatum Trionyx mammillaris