Trogosus

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Trogosus is an extinct genus of tillodont mammal. Fossils have been found in Wyoming,[1] California,[2] and British Columbia,[3] and date from the Eocene between 54.8 and 33.7 million years ago.

Description

File:Trogosus hyracoides24DB.jpg
Life restoration

Trogosus was a bear-like herbivore with a large, short skull and flat feet, and had a skull Script error: No such module "convert". long with an estimated body weight of Script error: No such module "convert"..[4] It had large, rodent-like incisors, which continued growing throughout the creature's life. Judging from the heavily worn molar teeth, Trogosus fed on rough plant material, such as roots and tubers.[5] Trogosus possessed an exposed midbrain, a small neocortex, an orbitotemporal canal ventral to rhinal fissure, large olfactory bulbs, and a broad circular fissure. Its tiny neocortex relative to contemporary carnivorans and artiodactyls may have disadvantaged it when escaping predation by the former and competing for resources with the latter.[1]

Notes

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References

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