Search Result for "genus protoavis":
Wordnet 3.0

NOUN (1)

1. extinct primitive birds of the Triassic period; 70 million years before archaeopteryx; 



WordNet (r) 3.0 (2006):

genus Protoavis
    n 1: extinct primitive birds of the Triassic period; 70 million
         years before archaeopteryx