Any of various dinosaurs of the order Saurischia, having a pubic bone that points down and forward like that of modern reptiles, and including the sauropods, such as apatosaurus, and the theropods, such as T. rex.
Any of an order (Saurischia) of dinosaurs with, typically, a pelvic structure similar to that of modern reptiles, including the theropods and sauropods.
Of the saurischians.
Any of various dinosaurs belonging to the group Saurischia, one of the two main divisions of dinosaurs. Saurischians had a pelvis similar to that of modern reptiles, in which the pubis pointed forward. Saurischians include all the carnivorous dinosaurs ( theropods ) as well as the herbivorous sauropods, and often grew to great size. Birds are descended from one group of saurischians.
Characteristic of these dinosaurs.
Origin of saurischian
- From New Latin Saurischia order name Greek sauros lizard Greek iskhion hip joint
From American Heritage Dictionary of the English Language, 5th Edition