Crossword clues for saurischia
Wikipedia
Saurischia ( , from the Greek sauros (σαυρος) meaning 'lizard' and ischion (ισχιον) meaning "hip joint") is one of the two basic divisions of dinosaurs (the other being Ornithischia). In 1888, Harry Seeley classified dinosaurs into two orders, based on their hip structure, though today most paleontologists classify Saurischia as an unranked clade rather than an order.
Usage examples of "saurischia".
Now we know that they fall into two long-separated orders: the Saurischia and the Ornithischia, no more closely related than, say, we are to bats.
Today, this view has been modified radically, and almost all researchers believe that both groups, Ornithischia and Saurischia, are closely related and that all dinosaurs form a socalled monophyletic group, originating from a common ancestor.
In the course of evolution, these defining features of the Saurischia and the Ornithischia underwent many modifications, and the state of these changes together with appearance of other, new anatomic features characterize different subgroups of the two main dinosaurian lines.
Turning to the terrestrial realm, reptiles found largely in this group of habitats ate the squamates and the two groups of dinosaurs, the Ornithischia and Saurischia.