- saurischian, saurischian dinosaur - herbivorous or carnivorous dinosaur having a three-pronged pelvis like that of a crocodile
--1 is a kind of dinosaur
--1 is a member of Saurischia, order Saurischia
--1 has particulars:sauropod, sauropod dinosaur; theropod, theropod dinosaur, bird-footed dinosaur