GLY-1102 Study Guide - Final Guide: Oviraptor, Bone Wars, Digitigrade

• School: FSU
• Department: Earth, Ocean, and Atmospheric Science
• Course: GLY-1102
• Professor: Seth Young

Document Summary

Compsognathus (questionable, tetanuran ((cid:1688)stiff tale(cid:1689)) closer to birds than the others ) Ceratosaurs: most primitive of the therapods, fused sacrum and ilium, fused bones in hind limb, most have tooth gap maxillary/premaxillary. Includes coelophysis, dilophosaurus, and ceratosaurus: lived late triassic to late jurassic. Includes ceratosaurus (late jurassic, found in the morrison formation) Dilophosaurus: early jurassic, skull crests, for sexual display or for interspecies recognition, possible sexual dimorphism, tooth gap present, upper pallet separated into two bone parts, bite tentative, possibly more of a scavenger than a predator. Includes: t-rex, oviraptors, ornithomimids, dromaeosaurs (popularly known as the raptor, troodontids, birds, characteristics, enlarged brain, narrow three fingered hand, tail stiffening chevrons, long slender foot (compressed metatarsals, proto (cid:1688)feathers(cid:1689) Tyrannosaurids: largest of coelurosaurs (up to 14 m, originally grouped with carnosaurs, now placed with coelurosaurs due to (cid:1688)bird-like(cid:1689) characteristics, very rapid growth, full size in 20 years.