Class Mammalia Linnaeus, 1758 - mammals Order Didelphimorphia Gill, 1872 Family Didelphidae Gray, 1821 - American opossums Subfamily Caluromyinae Kirsch & Reig, 1977 Genus Caluromysiops Sanborn, 1951 - black-shouldered opossum 1 Caluromysiops irrupta Sanborn, 1951 - black-shouldered opossum