herrerasaur
(redirected from Herrerasauria)Also found in: Thesaurus.
Related to Herrerasauria: pisanosaurus
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| Noun | 1. | herrerasaur - a kind of theropod dinosaur found in Argentina bird-footed dinosaur, theropod, theropod dinosaur - any of numerous carnivorous dinosaurs of the Triassic to Cretaceous with short forelimbs that walked or ran on strong hind legs genus Herrerasaurus - primitive theropod found in Argentina; early Triassic |