genus Protoavis


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Noun1.genus Protoavis - extinct primitive birds of the Triassic period; 70 million years before archaeopteryx
Aves, class Aves - (ornithology) the class of birds
bird genus - a genus of birds
protoavis - 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
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