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Antrodemus and Shidaisaurus



Two Jurassic theropods.

Antrodemus valens is a dubious species of theropod dinosaur from the Kimmeridgian-Tithonian-age Late Jurassic Morrison Formation. It was first described and named as a species of Poekilopleuron by Joseph Leidy in 1870.

Shidaisaurus jinae is a species of basal tetanuran theropod found in early Middle Jurassic-age rocks of the Upper Lufeng Formation in China. It is known from a partial skeleton, holotype DML-LCA 9701-IV, lacking most of the caudal vertebrae, ribs, pectoral girdle, and limb bones. It was described in 2009 by Wu and colleagues.
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Saberrex's avatar
Antrodemus and Allosaurus are one and the same.