Their size varied

The pectoral fins were large and powerful

was an imposing species of wolf that roamed North America to Argentina during the Pleistocene

Snout-tail length 42 mm

Los cuernos y la cresta probablemente tenían funciones en la comunicación entre individuos de la misma especie y en la competencia por la atención de posibles parejas

Stegouros elengasse Scale:1:10 Their size variedStegouros elengassen is an extinct species of ankylosaur dinosaur that lived during the Late Cretaceous period, approximately 74 to 70 million years ago, in what is now the southern region of Chile. This dinosaur is especially notable for its unique weaponized tail, which distinguishes it from other known ankylosaurs. The body of Stegouros elengassen was relatively small compared to other members of its family, with an estimated length of around 2