Mosasaurus hoffmanni is still considered one of the largest known marine reptiles and one of the most impressive predators to have ever existed

which includes large horns in the forehead area and a series of protrusions and crown-like decorations on the back of the head

Lisowicia bojani is considered one of the largest land reptiles of its time

Longitud 507 mm

Udanoceratops tschizhovi Zavacephale Mosasaurus hoffmanni is still consideredUdanoceratops tschizhovi was a ceratopsian dinosaur belonging to the family Leptoceratopsidae that lived during the Late Cretaceous, approximately 7270 million years ago, in what is now Mongolia. Its remains come mainly from the Barun Goyot Formation in the Gobi Desert, an environment that during the Cretaceous corresponded to semi arid regions with dune systems, floodplains, and sparse vegetation. It was one of the largest known leptoceratopsids. It