Saurischia - Wikipedia
Saurischia (/ sɔːˈrɪskiə / saw-RIS-kee-ə, meaning "reptile-hipped" from the Greek sauros (σαῦρος) meaning 'lizard' and ischion (ἴσχιον) meaning 'hip joint') [3] is one of the two basic divisions of …
Saurischian | Triassic, Jurassic & Cretaceous Species | Britannica
saurischian, any member of one of the two major lineages of dinosaurs, including birds and all dinosaurs more closely related to birds than to Triceratops.
The Saurischian Dinosaurs
The oldest known dinosaurs, from the middle Triassic of South America, were saurischians. Living birds had common ancestors on the theropod lineage. Oddly, birds are derived from the "lizard …
Saurischian Dinosaur Fossils - American Museum of Natural History
One of two halls in the David H. Koch Dinosaur Wing, the Hall of Saurischian Dinosaurs displays fossils from one of the two major groups of dinosaurs. Saurischians are characterized by …
What is the Difference Between Saurischians and Ornithischians?
2024年5月21日 · Saurischians and ornithischians are the two groups of dinosaur, defined in terms of pelvic structure. Saurischians, whose name means "lizard-hipped," had a pelvic structure …
Saurischia - Students | Britannica Kids | Homework Help
One of the two major orders of dinosaurs, the Saurischia were those dinosaurs whose pelvic structure resembled that of modern lizards. This key feature distinguishes the Saurischia from …
32.1: Saurischians - Geosciences LibreTexts
2024年4月11日 · Saurischian dinosaurs have two major subdivisions: theropods and sauropodomorphs. The theropods are a diverse and complex group that are famous for meat …
Major Groups of Dinosaurs - U.S. National Park Service
2022年7月8日 · Historically, dinosaurs have been divided into saurischians (“lizard-hipped”) and ornithischians (“bird-hipped”), based on the arrangement of their hip bones. In saurischians, …
The difference between Saurischian and Ornithischian dinosaurs
2023年11月2日 · Saurischian and ornithischian dinosaurs show differences in skeletal structure, evolutionary paths, and the behaviors and characteristics.
A new hypothesis of dinosaur relationships and early dinosaur ... - Nature
2017年3月23日 · For 130 years, dinosaurs have been divided into two distinct clades—Ornithischia and Saurischia. Here we present a hypothesis for the phylogenetic …