Ursus spelaeus, Cave Bear Skull & Lower Jaws Stegosaurus The skull was 10 feet

The skull was 10 feet (3 m) long

7 feet long

all in the Ischigualasto Basin

The muscle attachment sites on the back of the skull were quite small

The only species yet assigned to this taxon

Ursus spelaeus, Cave Bear Skull & Lower Jaws Stegosaurus The skull was 10 feetThe cave bear (Ursus spelaeus) was a species of bear that lived in Europe and Asia during the Pleistocene and became extinct about 24,000 years ago during the Last Glacial Maximum. Both the word "cave" and the scientific name spelaeus are used because fossils of this species were mostly found in caves. This reflects the views of experts that cave bears may have spent more time in caves than the brown bear, which uses caves only for hibernation Many