Order Didelphimorphia Author Alfred L. Gardner text 1993 Smithsonian Institution Press Washington and London Editor Don E. Wilson Editor DeeAnn M. Reeder Mammal Species of the World (2 nd Edition) 15 23 book chapter http://doi.org/10.5281/zenodo.7353070 1-56098-217-9 7353070 Didelphis Linnaeus, 1758 . Syst. Nat., 10th ed., 1:54 . TYPE SPECIES: Didelphis marsupialis Linnaeus, 1758 , by subsequent selection ( Thomas, 1911a ). SYNONYMS: Dimerodon Ameghino, 1889 ; Leucodidelphis Ihering, 1914 ; Opossum Schmid, 1818 (part); Sarigua Muirhead, 1819 (part).