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 (2nd ed.). 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.
^McNeill, Ian (1972). Hydraulic Power. London: Longman.
ISBN0-582-12797-1.
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 (2nd ed.). 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.
^McNeill, Ian (1972). Hydraulic Power. London: Longman.
ISBN0-582-12797-1.