PALEO200 Study Guide - Quiz Guide: Hadrosaurid, Paleontology, Digitigrade
6 May 2017
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From head to the tail we have cervical, dorsal, sacral and caudal. Fibula and radius are the thinner and easy to broke. Saurischian: lizard-hipped, pubis pointing forwards; ornithischian: bird-hipped, pubis pointing backward. stegosaurs are a group of quadrupedal with long osteoderm spikes on their tails and back, ankylosaur are quadrupedal with spikey protective osteoderm on their back and skulls. The tyrannosauroid yutyrannus is the first discover with feather. Psittacosaurus had long bristle-like structure on its tail, tianyulong had long filaments over his body, Feather color is influenced by the shape and arrangement of melanosomes. Black and grey result from long and narrow melanosomes. Brown and reddish result from short and wide melanosomes. Sedimentary rocks are rocks that formed when organic and mineral particle accumulate, igneous rocks form when magma or lava cools, metamorphic rocks form when sedimentary or igneous rocks are changed by heat and pressure.
