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Product Description
With EXCEPTIONAL preservation and in a maximum thickness and large size, this UPPER fossil tusk incisor tooth comes from the prehistoric GIANT BEAVER, Castoroides. It is a SUPREME specimen, rarely seen in this preservation and in the most coveted color - a rich pumpkin orange hue. A premium quality Castoroides fossil tusk is coveted by all that collect Pleistocene North American Ice Age fossils. The main incisors are the most requested fossil of this fascinating extinct giant animal. FINE QUALITY fossils of giant beaver are very difficult to ever find on the market. The tip has bizarre feeding damage that cratered out the tooth likely from too severe chewing pressure. In time, this would have worn back to normal had the Giant Beaver lived long enough to do so. Nevertheless, it shows fascinating internal structural anatomy never seen in these tusks. VERY RARE!
HISTORY
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.
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 to have ever lived.
One of the defining characteristics of the giant beaver was their incisors, which differ in size and shape from those of modern beavers. Modern beavers have incisor teeth with smooth enamel, while the teeth of the giant beaver were much larger up to 15 cm (6 in) long, with a striated, textured enamel surface.
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