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  1. DomainEukaryota
    KingdomAnimalia
    PhylumChordata
    Taxonomy

    Arctodus was first described by Joseph Leidy in 1854, with finds of A. pristinus from the Ashley Phosphate Beds, South Carolina. The scientific name of the genus, Arctodus, derives from Greek, and means "bear tooth… See more

    Description

    Around the size of grizzly bears, A. pristinus specimens closely overlap the size of Tremarctos floridanus, with some males of A. pristinus overlapping in size with the females of A. simus. Floridan A. pristinus individuals … See more

    Paleobiology

    Paul Matheus proposed that Arctodus simus may have moved in a highly efficient, moderate-speed pacing gait, more specialized than modern bears. His research concluded that the large body size, taller f… See more

    Diet

    The fact that Arctodus did not significantly differ in dentition or build from modern bears has led most authors to support the hypothesis that the A. simus was omnivorous, like most modern bears, and would hav… See more

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