Original sentence: The Florida cave bear (Tremarctos floridanus) is a species of extinct North American bear that lived during the Pleistocene epoch.The closest living relative of the Florida cave bear is the spectacled bear of South America; they are classified together with the huge short-faced bears in the family Tremarctinae
Edited sentence: Arctodus floridanus was named by Gidley (1928).It was recombined as Tremarctos floridanus by Kurten (1963), Lundelius (1972) and Kurten and Anderson (1980).The closest living relative of the Florida cave bear is the Spectacled Bear of South America; they are classified together with the huge short-faced bears in the family Tremarctinae.Tremarctos flordianus known commonly as the Florida cave bear is an extinct genus of the family Ursidae, subfamily Tremarctinae endemic to North America during the Pleistocene epoch (4.9 mya—11,000 years ago), existing for approximately