Monday, November 1, 2010

Pink Dinosaur #184

Pink Hesperosaurus by David Tana

15 – Hesperosaurus mjosi – a stegosaurid from the Jurassic of Wyoming (~150 mya), this stegosaurus is a little older than its more famous cousin, Stegosaurus.  But like Stegosaurus it has a row of alternating plates going down its back ending in a thagomizer with four spikes.  Skeletal reference for this restoration is a cast on display at the North American Museum of Ancient Life in Utah.  Pen and highlighter on paper.

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