ERTH 2104 Lecture Notes - Lecture 12: Coelurus, Struthiomimus, Coelophysoidea
14 Dec 2019
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Document Summary
Late triassic to the end of the late cretaceous, worldwide distribution. All were obligate bipeds, derived features in forelimbs and hindlimbs. Includes practically all the carnivorous dinosaurs, but not all theropods were carnivorous. Only group of dinosaurs with living descendants! (birds) Early discoveries: very complete and was reconstructed as a quadruped. Megalosaurus was the first dinosaur to be named by william bucklamd in england in 1824 - not. Compsognathus found in 1850 in solnhofen by huxley and was the 1st complete skeleton of a. He suspected there to be a bird connection. 1866 marsh renames cope"s laelaps to dryptosaurus . 1870"s - 1890"s marsh names allosaurus, coelurus, ceratosaurus, etc. 1881 marsh names the group theropoda : Thero = beast // poda = foot . Present understanding of theropod phylogeny and relationship to birds not until late 20th century. First feathered non-avian theropods discovered in the late 1990"s. Oldest known theropods are in late triassic and no feather impression.
