Alternative spelling: Thecodonta
Full reference: R. Owen. 1859. Palaeontology. The Encyclopaedia Brittanica, or Dictionary of Arts, Sciences, and General Literature (8th Edition) 17:91-176
Parent taxon: Archosauria according to R. L. Carroll 1988
See also Bakker and Galton 1974, Charig 1967, Ellenberger 1972, Gardiner 1982, Haeckel 1866, Haubold 1969, Haubold 1971, Haubold 1974, Haughton and Brink 1954, Huene 1954, Kuhn 1946, Kuhn 1964, Kuhn 1966, Olson 1966, Osborn 1904, Owen 1859, Owen 1860, Owen 1861 and Thulborn 1975
Sister taxa: Agrestipus, Avemetatarsalia, Avipes, Caenagnathiformes, Longisquamidae, Megalosaurus terquemi, Neoarchosauria, Palaeosauriscus, Parrishia, Parrishia mccreai, Picrodon, Pseudosuchia, Sikannisuchus, Smok, Strigosuchus, Strigosuchus licinus, Theropodomorpha
Subtaxa: Clarencea Crenelosaurus Crenelosaurus nigrosilvanus Dasygnathoides Doswelliina Haemothermia Jushatyria Ocoyuntaia Ocoyuntaia arquata Platyognathidae Proterosuchia Seemannia Seemannia palaeotriadica Shansisuchus heiyuekouensis Tikoepentapodiscus
Ecology: carnivore