This genus was named after Samuel Wendell Williston

Its anatomical characteristics reflect both primitive inheritances from basal ornithopods and modifications derived from particular ecological conditions

Guanlong wucaii was a carnivorous dinosaur that lived during the Late Jurassic period

The scene was a testament to the wild nature of life in the prehistoric past

indicating an adaptation to hunting large prey

Alamosaurus sanjuanensis Variant:Unprimed This genus was named afterAlamosaurus sanjuanensis is a species of sauropod dinosaur that lived in what is now North America during the late Cretaceous period, approximately 69 to 66 million years ago. It is considered one of the largest sauropods known from this region and has been estimated to have reached lengths of up to 21 to 30 meters and hip heights of around 4 to 5 meters. Its weight is estimated at several tons, possibly between 30 and 40 tons, making it a true giant