Enchoteuthis melanae Plesiosaurus Medidas aproximadas del Plateosaurus:

Medidas aproximadas del Plateosaurus:

medía hasta 12-13 metros de largo y podía alcanzar una altura de alrededor de 4 metros hasta la cadera

Diprotodon optum probably had peaceful herbivorous behavior

around 220 million years ago

Enchoteuthis melanae Plesiosaurus Medidas aproximadas del Plateosaurus:Enchoteuthis melanae was a coleoid cephalopod from the Late Cretaceous of North America, known from fossil remains recovered from marine deposits of the former Western Interior Seaway. Traditionally, related material was often associated with Tusoteuthis longa, but later revisions of large Cretaceous gladii have indicated that part of this material belongs to Enchoteuthis melanae, a taxon within Enchoteuthididae. This group represents one of the most