American paleontologist Joseph Leidy describes the new genus and species Laelaps aquilunguis, demonstrating that theropoddinosaurs walked on their hind limbs rather than on all fours as in earlier reconstructions.[12]
↑ Down, J. Langdon H. (1866). "Observations on the Ethnic Classification of Idiots". Clinical Lectures and Reports by the Medical and Surgical Staff of the London Hospital. 3: 259–62.
↑ Holtz, Thomas R. (2004). "Tyrannosauroidea". In Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (eds.). The Dinosauria (2nded.). Berkeley: University of California Press. pp.111–136. ISBN0-520-24209-2.
↑ Penguin Pocket On This Day. Penguin Reference Library. 2006. ISBN0-14-102715-0.
↑ Jules Bergeron, Alexandre Wauthier. "François Mêlier". cths.fr (in French). Comité des travaux historiques et scientifiques. Retrieved 2020-10-27.
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