This is a COMPLETE, primary UPPER incisor tusk of the prehistoric GIANT BEAVER, Castoroides leiseyorum . It is a SUPREME specimen, rarely seen in this complete condition and preservation. Premium examples of a Castoroides fossil tusk are coveted by all that collect Pleistocene North American fossils. The detail of its very unique design make it a 'must have' specimen from this huge and strange creature from the Pleistocene. The main incisors are the most requested fossil of this fascinating extinct giant animal. FINE QUALITY fossil remains of giant beaver are very difficult to ever find on the market. Every detail is perfectly preserved with an extraordinary, naturally lustrous enamel of black and gold hues!
Castoroides leiseyorum , or Giant Beaver, is an extinct species of enormous beavers that lived in North America during the Pleistocene. C. leiseyorum was the largest beaver to ever exist. Prehistoric giant beavers were much larger than modern beavers. Their average length was approximately 1.9 m (6.2 ft), and they could grow as large as 2.2 m (7.2 ft). The weight of the giant beaver could vary from 90 kg (198 lb) to 125 kg (276 lb). This makes it the largest known rodent in North America during the Pleistocene and the largest known beaver.
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