Search Result for "therapsida": 
Wordnet 3.0

NOUN (1)

1. extinct mammal-like reptiles found inhabiting all continents from the mid Permian to late Triassic;
[syn: Therapsida, order Therapsida]



WordNet (r) 3.0 (2006):

Therapsida
    n 1: extinct mammal-like reptiles found inhabiting all
         continents from the mid Permian to late Triassic [syn:
         Therapsida, order Therapsida]