The skull of Acrocanthosaurus was long

Longitud 158 mm

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

Osteological description and phylogenetic considerations of Aquilops americanus (Dinosauria

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