Utahraptor ostrommaysi

 

Utahraptor ostrommaysi (Kirkland, Gaston, and Burge, 1993) 
Dinosauria 
Theropoda 
Tetanurae 
Coelurosauria 
Maniraptora 
Paraves 
Dromaeosauridae (Raptors) 

Dromaeosaurinae 

Valanginian to Hauterivian (Early Cretaceous) 
Cedar Mountain Formation 
Utah, United States 

Length: 5 - 5.5 m 

The largest known dromaeosaurs (raptor), Utahraptor differs from the typical raptor build with proportionally shorter limbs, a proportionally shorter tail, and a big, blocky head with forward-tilting teeth at the tip of the lower jaw. 

Sunday, October 8th, 2023