Search Result for "subclass archaeornithes":
Wordnet 3.0

NOUN (1)

1. primitive reptile-like fossil birds of the Jurassic or early Cretaceous;
[syn: Archaeornithes, subclass Archaeornithes]



WordNet (r) 3.0 (2006):

subclass Archaeornithes
    n 1: primitive reptile-like fossil birds of the Jurassic or
         early Cretaceous [syn: Archaeornithes, subclass
         Archaeornithes]