Ursus americanus, black bear brain endocast Dimorphodon It lived in Late Cretaceous

It lived in Late Cretaceous times in the Patagonian region of Argentina

Sharovipteryx was a gliding animal that used its uropatagium

(Cro-Magnon) I Skull

Dinosaur speeds are estimated using their morphology (characteristics like leg length and estimated body mass) and fossilized trackways

This skull was found in 1945 by George Sternberg in western Kansas

Ursus americanus, black bear brain endocast Dimorphodon It lived in Late CretaceousThis is a brain endocast of the The American black bear. An endocast or endocranial cast is a cast made of the mold formed by the impression the brain makes on the inside of the neurocranium (braincase), providing a replica of the brain with most of the details of its outer surface. Endocasts can also form naturally, when sediments fill the empty skull, after which the skull is destroyed and the cast fossilized. Scientists are increasingly utilizing