Titanoides

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Titanoides is an extinct genus of pantodont mammal which lived in western North America during the late Paleocene (Tiffanian 2 to Clarkforkian 2 ages). It was a medium-sized pantodont which weighed up to 150 kg (330 lb). It was one of the largest mammals in its habitat, a tropical swampland where the main predators were semiaquatic reptiles such as crocodilians and choristoderes. Titanoides looked similar to a bear in size and stance, though it has no close living relatives. The skull is proportionally large, the tail is short, and the neck is thick and muscular. Its canine teeth are distinctive: the upper canines are saber-like (very long from top-to-bottom), while the lower canines are shaped like hooked blades (with a long base from front-to-back). The limbs are strong and stocky, with five digits on each paw. The rear paws are not fully preserved, but the front paws have narrow curved claws rather than hoofs, unlike other pantodonts. Despite their fearsome canines, the shape of the postcanine teeth (premolars and molars) indicate that Titanoides were probably herbivores. The claws and canines may have been used to dig up and slice through roots and tubers.