Parent taxon: Reptilia according to S. P. Modesto et al. 2015
See also Ford and Benson 2020, Gauthier et al. 1988, Gow 2000, Laurin and Reisz 1995, Martens et al. 2005, Modesto and Damiani 2003, Olson 1947 and Olson 1962
Sister taxa: Amblyglossae, Anapsida, Anhomoiichnium, Apatomerus, Archaeosauria, Atremata, Chelydosauria, Cunichnoides, Dimetropus, Diplotremata, Dipnoa, Dolichobrachium, Dravidosaurus, Dravidosaurus blanfordi, Embolophorus, Enaliosauria, Eureptilia, Glauconia, Holosauria, Hyperosauria, Ichthyosaurus inexpectatus, Ischyrotherium, Isocampe, Kintneria, Lyognatha, Macelognatha, Metamosaurus, Monopnoa, Monotreta, Monozygocrotapha, Onychichnium, Oolithes, Ornithocephala, Pantestudines, Pessopteryx arctica, Pessopteryx pinguis, Placodontomorpha, Plesiosaurus doedicomus, Poeciloglyptica, Polemarchus, Proganosauromorpha, Proreptilia, Prosauria, Protorosauria, Puercosaurus, Puercosaurus obtusidens, Rhamphosauria, Rhizodonta, Rhynchosauroidae, Saurichthys indicus, Saurophidia, Seps, Sillimanius, Squamata, Steropoides, Streptosauria, Svalbardosaurus, Svalbardosaurus crassidens, Testudinata, Theromorpha, Tocosauria
Subtaxa: Bolosauria Cheloniamorpha Eunotosaurus Kinelia Microleter Millerettidae Nyctiphruretidae Procolophonoidea Procolophonomorpha
Ecology: