 Paleobiology Database: TestudinataInvalid subtaxa: Compsemys anglica Lydekker 1889 nomen dubium, Glyptops caelatus Hay 1908 nomen dubium, Helochelydra anglica Lydekker 1889 nomen dubium, Platychelys anglica Lydekker 1889 nomen dubium, Probaena sculpta Hay 1903 nomen dubium, Protochelys Lydekker 1889 nomen dubium, Protochelys blakii Mackie 1863 nomen dubium, Protochelys stricklandi Phillips 1871 nomen dubium, Testudo stricklandi Phillips 1871 nomen dubiumSister taxa: Amblyglossae, Anapsida, Coeluria, Cunichnoides, Enaliosauria, Eupalamopus, Eureptilia, Ganocephala, Glauconia, Gymnarthria, Ichthyopterygia, Ischyrotherium, Isocampe, Kintneria, Macelognatha, Omosauria, Oolithes, Ornithocephala, Parareptilia, Placodontomorpha, Plectropterna, Proganosauromorpha, Pythonomorpha, Rhamphosauria, Rhizodonta, Sauranodonta, Streptosauria, Theromorpha, Tocosauria, TriaenopusSubtaxa: Amblypus, Ancyropus, Australochelys, Chengyuchelyidae, Chinlechelys, Condorchelys, Eileanchelys, Heckerochelyidae, Heckerochelys, Helcura, Indochelys, Kayentachelys, Meiolaniformes, Mongolochelyidae, Naomichelys, Odontochelyidae, Odontochelys, Palaeochersis, Platycheloides, Proganochelys, Proterochersidae, Proterochersis, Saurischiocomes, Sichuanchelyidae, Spoochelys, Testudines, Testudoolithidae 