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).