genus protoavis
English Thesaurus
1. extinct primitive birds of the Triassic period; 70 million years before archaeopteryx (noun.animal)
hypernym | : | bird genus, |
definition | : | a genus of birds (noun.animal) |
member holonym | : | protoavis, |
definition | : | most primitive avian type known; extinct bird of the Triassic having bird-like jaw and hollow limbs and breastbone with dinosaur-like tail and hind limbs (noun.animal) |
member meronym | : | aves, class aves, |
definition | : | (ornithology) the class of birds (noun.animal) |
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