Etruscan bear noun1 •An extinct species of bear, †Ursus etruscus, endemic to Europe, Asia and North Africa during the Pliocene and Pleistocene (approximately 5.3 million to 100,000 years ago).The first Etruscan bears were small, about the size of the modern Asiatic black bear; but they tended to increase in size and the terminal forms were as large as a brown bear. — 1968 formsEtruscan bears