Full reference: E. D. Cope. 1878. The Theromorphous Reptilia. The American Naturalist 12(12):829-830
Parent taxon: Reptilia according to O. W. M. Kuhn 1966
See also Gadow 1898, Haubold 1974, Kuhn 1946, Nopcsa 1923, Nopcsa 1928, Osborn 1904, Perrier 1928, Roxo 1937, Swinton 1934 and Zittel 1890
Sister taxa: Acrodontosaurus, Amblyglossae, Anapsida, Anhomoiichnium, Apatomerus, Archaeosauria, Atremata, Chelydosauria, Cunichnoides, Dimetropus, Diplotremata, Dipnoa, Dolichobrachium, Dravidosaurus blanfordi, Embolophorus, Enaliosauria, Eureptilia, Glauconia, Holosauria, Hyperosauria, Ichthyosaurus inexpectatus, Ischyrotherium, Isocampe, Kintneria, Lyognatha, Macelognatha, Metamosaurus, Monopnoa, Monotreta, Monozygocrotapha, Neodiapsida, Onychichnium, Oolithes, Ornithocephala, Parareptilia, 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, Tocosauria
Subtaxa: Dromasauria Eotherapsida Poliosauria Protodonta Styracocephalia
Ecology: planktonic suspension feeder