archaeornithes
English Thesaurus
1. primitive reptile-like fossil birds of the Jurassic or early Cretaceous (noun.animal)
hypernym | : | class, |
definition | : | (biology) a taxonomic group containing one or more orders (noun.group) |
member holonym | : | genus sinornis, |
definition | : | a genus of fossil birds (noun.animal) |
member holonym | : | genus ibero-mesornis, |
definition | : | a genus of fossil bird of the subclass Archaeornithes (noun.animal) |
member meronym | : | aves, class aves, |
definition | : | (ornithology) the class of birds (noun.animal) |
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