Metachirus Burmeister, 1854 . Syst. Uebers. Thiere Bras., 1:135.

TYPE SPECIES: Didelphis myosuros Temminck, 1824 .

COMMENTS: Hall (1981) followed Pine (1973) in using the name Philander; see Hershkovitz (1976, 1981) who reaffirmed the use of Philander for the gray four-eyed opossums.