Subclass Archaeornithes — synonyms, definition
1. subclass Archaeornithes (Noun)
1 synonym
Archaeornithes
1 definition
subclass Archaeornithes (Noun) — Primitive reptile-like fossil birds of the Jurassic or early Cretaceous.
1 type of
class
5 parts
genus Archaeopteryx genus Archaeornis genus Archeopteryx genus Ibero-mesornis genus Sinornis
2 parts of
aves class Aves