the most famous of the dromosaurids

Una característica distintiva del Moschops es su grueso cráneo

Esta cresta varía en forma y tamaño entre las distintas especies de Chasmosaurus y jugaba un papel importante en la comunicación visual y posiblemente en la termorregulación

El Neovenator se caracterizaba por su cráneo alargado y estrecho

fish and primitive mammals

Keichosaurus hui Scale:1:1 the most famous of theKeichosaurus hui is a small diapsid marine reptile that lived during the Middle Triassic , approximately 245240 million years ago, in what is now southern China. It belongs to the group of primitive sauropterygians within the Pachypleurosauridae family and is one of the best known marine reptiles thanks to the abundance and exceptional preservation of its fossils, primarily from the Guanling Formation (Guizhou Province). Recent studies consider it a