. . . . "Animalia" . . . . . "Saimiri ustus" . . "Chordata" . "Mammalia" . . . . "Saimiri ustus (I. Geoffroy Saint-Hilaire 1843)" . "Bare-eared Squirrel Monkey" . . . "Cebidae" . "Primates" . "Saimiri" . . "(I. Geoffroy Saint-Hilaire 1843)" .