Chasmosaurus russelli Variant:Primed Secodontosaurus willistoni is believed to

Secodontosaurus willistoni is believed to have lived in terrestrial environments and possibly had nocturnal habits to avoid diurnal predators and competitors

The absence of an extremely pronounced cranial dome could indicate that head-butting behavior was not as prominent as in other pachicephalosaurids

Upon reaching the rock

Plateosaurus trossingensis se clasifica como un saurópodo prosaurópodo

Its weight probably did not exceed 20 kilograms

Chasmosaurus russelli Variant:Primed Secodontosaurus willistoni is believed toChasmosaurus russelli is a species of ceratopsian dinosaur that lived during the late Cretaceous period, approximately 75 million years ago, in what is now North America. This herbivore belongs to the genus Chasmosaurus, known for its distinctive horns and large bony frill at the back of its skull. Chasmosaurus russelli is distinguished from other species of the same genus by several details in its cranial anatomy. It had a large, elongated steering