Pink Allosaurus by David Tana
13 - Allosaurus fragilis - this tetanuran roamed the western United States during the Late Jurassic (~ 155-145 mya), and was the dominant predator of the Morrison Formation. Described in 1877 by O. C. Marsh, A. fragilis was one of the first well known theropods (and is by far the greatest dinosaur of all time, in my opinion). The skeletal reference for this restoration is the famous AMNH 5753 on display at the American Museum of Natural History in New York. Pen and highlighter on paper.
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