Order Carnivora Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1 532 628 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Tremarctos Gervais 1855 Tremarctos Gervais 1855 , Hist. Nat. Mammiferes, Vol. 2: 20 . Type Species: Ursus ornatus F. G. Cuvier 1825 Synonyms: Nearctos Gray 1873 . Species and subspecies: 1 species: Species Tremarctos ornatus (F. G. Cuvier 1825 )