Pubblicato 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.