. "The Tremarctinae or short-faced bears comprise the subfamily of Ursidae containing one living representative, the spectacled bear (Tremarctos ornatus) of South America, and several extinct species from four genera: the Florida spectacled bear (Tremarctos floridanus), the North American short-faced bears of genera Plionarctos (P. edensis and P. harroldorum) and Arctodus (A. pristinus and A. simus), and the South American giant short-faced bears of Arctotherium (including A. latidens, A."@en . . . . . . "Tremarctinae"@en . . . . .