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Archaeornithes

plural noun
Ar·chae·or·ni·thes | \ -ˈȯrnəˌthēz , -ˌȯrˈnī(ˌ)thēz \

Definition of Archaeornithes 

: a subclass of Aves comprising the earliest and most primitive of fossil birds, retaining distinctive reptilian characters, and including the two genera Archaeornis and Archaeopteryx

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History and Etymology for Archaeornithes

New Latin, from archae- + -ornithes

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Dictionary Entries near Archaeornithes

Archaeopterygiformes

archaeopteryx

archaeornis

Archaeornithes

archaeus

archai

archaic

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