Archosauria

Translingual Etymology From mul grc ἀρχός chief, ruler, leader + mul -saurus, from mul grc σαῦρος lizard. Coined in 1869 by paleontologist Edward Drinker Cope. Proper noun clade class Reptilia archosaurs: crocodilians, dinosaurs including all birds, their ancestors and extinct close relatives Usage notes Variously ranked as class, subclass, infraclass, and order. Taxonomic names and relationships in this area are subject to change due to active research. Synonyms clade in Reptilia Avesuchia clade Hypernyms clade in Reptilia ; Reptilia class - class; Crocopoda clade, Archosauriformes clade, Eucrocopoda clade - clades Hyponyms clade in Reptilia Avemetatarsalia clade (~ Ornithodira clade, birds and their extinct relatives, including pterosaurs (Pterosauromorpha clade) and dinosaurs (Dinosauria superorder)), Pseudosuchia clade (crocodiles and their extinct relatives) - clades References 99812 1