Boreopterus Dsungaripterus Stegoceras validum fue un dinosaurio

Stegoceras validum fue un dinosaurio ornitisquio del Cretácico Superior

Altura 70 mm

as evidenced by bite marks identified on hadrosaur bones

with a developing graviportal posture

Boreopterus Dsungaripterus Stegoceras validum fue un dinosaurioBoreopterus is a genus of pterodactyloid pterosaur from the Early Cretaceous (BarremianAptian, around 125 million years ago) , known from well preserved fossils in the Yixian Formation of Liaoning Province, northeast China. [turn0search1][turn0search2] It is classified within the family Boreopteridae , a lineage closely related to ornithocheirids, characterized by cranial and dental adaptations that suggest a piscivorous lifestyle . The skull of