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Archaeornithes

   Also found in: Encyclopedia 0.01 sec.
n.1.a subclass of primitive reptilelike fossil birds of the Jurassic or early Cretaceous.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.Archaeornithes - primitive reptile-like fossil birds of the Jurassic or early Cretaceous
subclass Archaeornithes
Aves, class Aves - (ornithology) the class of birds
genus Archaeopteryx, genus Archeopteryx - a genus of fossil birds
genus Sinornis - a genus of fossil birds
genus Ibero-mesornis - a genus of fossil bird of the subclass Archaeornithes
genus Archaeornis - a genus of fossil bird
class - (biology) a taxonomic group containing one or more orders
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There are also two subclasses: Archaeornithes, which consists entirely of extinct birds (including the archaeopteryx); and Neornithes, which includes three superorders as follow: ?
Bird Information by Erik Willis / Pets and Animals community
 
 
 
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