Acheroraptor temertyorum Baryonyx and was most common in

and was most common in North America and South America from the Irvingtonian stage to the Rancholabrean stage of the Pleistocene epoch living 1

Eopelobates wagneri

by minerals such as quartz

skeleton in 2001

Acheroraptor temertyorum Baryonyx and was most common inAcheroraptor temertyorum Skull & Jaw Elements Acheroraptor is an extinct genus of dromaeosaurid theropod dinosaur known from the Hell Creek Formation of Montana. It contains a single species, Acheroraptor temertyorum. It is one of the two geologically youngest known species of dromaeosaurids, the other being Dakotaraptor, which is also known from Hell Creek. Acheroraptor was first described and named by David Evans, Derek Larson and Philip Currie in