A CAVE BEAR SKULL 'URSUS SPELAEUS', PLEISTOCENE PERIOD in two parts 42cm long Catalogue Note The cave bear, Ursus spealaeus was a species of bear that lived in Eastern and Northern Europe, between 50,000 to 100,000 years ago. They were larger than any bear alive today, standing over 10 feet tall. Both the word 'cave' and scientific name 'spelaeus' are used because fossils were mostly found in caves.