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

The ankylosaur is known primarily from fossils found in North America

Longitud 158 mm

Medidas aproximadas del Mosasaurus:

Osteological description and phylogenetic considerations of Aquilops americanus (Dinosauria

Torosaurus latus Escala:1:57 not dinosaurs— that dominated manyTorosaurus 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