The skull of Acrocanthosaurus was long

with a relatively narrow snout and small

Medidas aproximadas del Mosasaurus:

not dinosaurs— that dominated many oceanic ecosystems during the Late Cretaceous

The ankylosaur is known primarily from fossils found in North America

Torosaurus latus Escala:1:57 The skull of Acrocanthosaurus wasTorosaurus latus was a large chasmosaurine ceratopsian dinosaur from the Late Cretaceous of North America, known primarily from remains recovered from the Hell Creek Formation and equivalent units dating to the latest Maastrichtian. It lived approximately 6866 million years ago in the final continental ecosystems of Laramidia, shortly before the CretaceousPalaeogene extinction event. Originally described by Othniel Charles Marsh in 1891, this taxon