Arctodus pristinus Edaphosaurus Although they had already moved

Although they had already moved considerably away from their terrestrial ancestors

El descubrimiento de este dinosaurio proporciona información importante sobre la evolución temprana de los terópodos en Europa y sugiere que esta región estaba habitada por una diversidad de carnívoros durante el Jurásico

where a Triceratops dominates the landscape with its imposing size

Although complete remains of its skeleton have not been found

También se encontraron restos microscópicos de tejido blando y fibras de colágeno en la superficie de algunos dientes de Tyrannosaurus rex

Arctodus pristinus Edaphosaurus Although they had already movedArctodus pristinus is an extinct species of short faced bear belonging to the genus Arctodus , which lived in North America during the Pleistocene, approximately between 2. 5 million and 10,000 years ago. It was a close relative of Arctodus simus , although smaller in size and with some morphological differences in its skeleton that suggest different ecological adaptations. Its fossil remains have been found mainly in the southeastern United States,