Triceratops horridus Scutellosaurus maximus was made by Barnum

maximus was made by Barnum Brown in 1915

a feature never before seen in other ceratopsians

Mononykus olecranus belongs to Alvarezsauridae

Compsognathus longipes lived during the Late Jurassic

Triceratops horridus Scutellosaurus maximus was made by BarnumTriceratops horridus was a large chasmosaurine ceratopsian dinosaur from the Late Cretaceous of North America, known primarily from fossil remains recovered from the Hell Creek Formation and equivalent units such as the Lance, Laramie, Denver and Frenchman formations. It lived during the latest Maastrichtian, in the final few million years before the CretaceousPalaeogene extinction event, and represents one of the most iconic species of the