Trogontherium is an extinct genus of giant beavers. Fossils of Trogontherium have been found in Middle Pleistocene formations of England, mainland Europe, Yunnan, China, and Siberia, Russia. ...
(from the article `Castoroides`) ...ended 10,000 years ago). Castoroides attained a length of about 2.5 m (7.5 feet). The skull was large and the gnawing teeth strongly developed. In ...