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Publié in Sauropod Vertebra Picture of the Week

Utahraptor is a “giant” dromaeosaurid from Utah, described by Kirkland et al. (1993). Famously, its existence was part of the reason that the people making Jurassic Park felt at liberty to make their “Velociraptor” individuals not only much bigger than the turkey-sized Velociraptor proper, but also than than sheep-sized Deinonychus.

Publié in Sauropod Vertebra Picture of the Week
Auteur Matt Wedel

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Probably everyone who reads SV-POW! already knows that the manus, or forefoot, or sauropods was very distinctive.  The metacarpal bones, rather than being splayed out horizontally as in the forefeet of most animals, were arranged more or less vertically in a horseshoe shape, hence the characteristic shape of sauropod manus prints.