s/n1515398

Information
has gloss	(noun) extinct primitive birds of the Triassic period; 70 million years before archaeopteryx genus Protoavis
lexicalization	eng: genus Protoavis
subclass of	(noun) a genus of birds bird genus

Links
has member	(noun) 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 protoavis
member of	(noun) (ornithology) the class of birds class Aves, Aves