SUBCLASS ARCHAEORNITHES

WordNet Dictionary

	Definition:	[n] primitive reptile-like fossil birds of the Jurassic or early Cretaceous

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	Synonyms:	Archaeornithes

	See Also:	Aves, class, class Aves, genus Archaeopteryx, genus Archaeornis, genus Archeopteryx, genus Ibero-mesornis, genus Sinornis