Utahraptor ostrommaysi Scale:1:20 The first remains corresponded to

The first remains corresponded to a subadult individual

Length 810 mm

making it one of the largest terrestrial mammals of its time

It is estimated that its body length reached 4

Utahraptor ostrommaysi Scale:1:20 The first remains corresponded toUtahraptor ostrommaysi was one of the largest known dromaeosaurids and one of the most representative predators of the Early Cretaceous of North America. Its remains come from the Cedar Mountain Formation in eastern Utah, especially from the Yellow Cat Member, in deposits associated with continental environments of floodplains, river channels, and semi arid ecosystems with seasonal wetlands. Formally described by Kirkland, Gaston, and Burge in 1993,