suggesting that its diet consisted mainly of ferns

specifically in the late Campanian

showing us the power and ferocity of these ancient reptiles in their fight for survival

The most recent paleontological studies have also revealed that the development of young specimens shows notable changes in the shape of the skull and the ruff as they mature

The skull was elongated

Tylosaurus rex Variante:Sin imprimar suggesting that its diet consistedTylosaurus rex was a gigantic mosasaurid from the Late Cretaceous, formally described in 2026 from fossils recovered in Texas, within deposits associated with the ancient Western Interior Seaway of North America. This species belongs to the genus Tylosaurus, a group of large marine squamates distantly related to monitor lizards and snakes, not dinosaurs that dominated many oceanic ecosystems during the Late Cretaceous. The specific name rex, meaning