s/n1515583

Information
has gloss	(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
lexicalization	eng: protoavis
subclass of	(noun) warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings bird

Links
member of	(noun) extinct primitive birds of the Triassic period; 70 million years before archaeopteryx genus Protoavis