order Thecodontia


Also found in: Thesaurus.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.order Thecodontia - extinct terrestrial reptiles having teeth set in sockets; of the late Permian to Triassic
animal order - the order of animals
Archosauria, subclass Archosauria - a large subclass of diapsid reptiles including: crocodiles; alligators; dinosaurs; pterosaurs; plesiosaurs; ichthyosaurs; thecodonts
thecodont, thecodont reptile - presumably in the common ancestral line to dinosaurs and crocodiles and birds