9/16/2023 0 Comments Types of dinosaursThyreophora includes the various armored dinosaurs, like Stegosaurus and Ankylosaurus. ![]() Ornithischia contains several groups of herbivorous dinosaurs,including several basal groups, but primarily three large ones: The Theropoda includes some extinct dinosaurs such as Tyrannosaurus rex and Dilophosaurus, but it also includes the living dinosaurs the birds. Theropoda is the second saurischian group, consisting of the carnivorous dinosaurs.Sauropodomorpha is the first group, and includes both the "prosauropods" a probably paraphyletic (artificial) group of largely herbivorous, dominantly quadrupedal dinosaurs such as Plateosaurus and the Sauropoda: long-necked, long-tailed, enormous herbivorous dinosaurs like Apatosaurus (formerly called Brontosaurus), Brachiosaurus, and Diplodocus."lizard-hipped") is not very accurate,since some saurischians had bird-like hips, and ornithischians' hips weresomewhat birdlike due to convergent evolution, not due to direct ancestry. The etymology behind the two names ("bird-hipped" vs. The division between the two groups was made by H.G. ![]() With the discovery of many new species since the 1840s, the Dinosauria now contains two major groups of dinosaurs: the Ornithischia, or "bird-hipped" dinosaurs, and the Saurischia, or "lizard-hipped" dinosaurs. ![]() Move deeper into the systematics of dinosaur groups by selecting one of the boxes containing a picture.
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