Nanotyrannus lancencis Eozostrodon The wings of this pterosaur

The wings of this pterosaur were long and broad

Quetzalcoatlus northropi

esencialmente acuático pero capaz de arrastrarse lentamente en tierra

Esta forma de alimentación lo convierte en uno de los primeros animales conocidos en desarrollar un sistema especializado para el consumo de plantas en el medio marino

Longitud 121 mm

Nanotyrannus lancencis Eozostrodon The wings of this pterosaurNanotyrannus lancensis is a controversial tyrannosaurid theropod taxon from the Late Cretaceous (Late Maastrichtian), known primarily from a relatively complete skull (CMNH 7541) found in the Hell Creek Formation of Montana, USA. Its validity as a separate genus has been widely debated, with numerous studies interpreting it as a juvenile Tyrannosaurus rex , while others maintain that it possesses its own diagnostic features. The type specimen is a