Didelphis
Didelphis (binomen a Linnaeo anno 1758; Anglice: opossum) est genus marsupialum omnivorum, Didelphimorphum ordines.

Systema taxinomicum Animalis 
 Imperium: Eucaryota
 Regnum: Animalia
 Gradus: Metazoa
 Subgradus: Eumetazoa
 Subregnum: Bilateria
 Infraregnum: Eucoelomata
 Supraphylum: Deuterostomia
 Infraphylum: Chordonia
 Phylum: Chordata
 Subphylum: Vertebrata
 Infraphylum: Gnathostomata
 Supraclassis: Tetrapoda
 Infraclassis: Amniota
 Ramus: Mammaliaformes
 Classis: Mammalia
 Subclassis: Theriiformes
 Infraclassis: Holotheria
 Supralegio: Trechnotheria
 Legio: Cladotheria
 Sublegio: Zatheria
 Infralegio: Tribosphenida
 Supracohors: Theria
 Cohors: Marsupialia
 Magnaordo: Ameridelphia
 Ordo: Didelphimorphia
 Familia: Didelphidae
 Subfamilia: Didelphinae
 Genus: Didelphis (Linnaeo, 1758)

Species
 Didelphis albiventris
 Didelphis aurita
 Didelphis imperfecta
 Didelphis marsupialis (est Typo specium )
 Didelphis pernigra 
 Didelphis virginiana

 Didelphis philander (nova Caluromys philander)
 Didelphis ursina (nova Vombatus ursinus)

Synonym
 Dasyurotherium (Liais, 1872)
 Didelphus (Lapham, 1853)
 Didelphys (Schreber, 1778)
 Dimerodon (Ameghino, 1889)
 Gambatherium (Liais, 1872)
 Leucodidelphis (Ihering, 1914)
 Opossum (Schmid, 1818)
 Sarigua (Muirhead, 1819)
 Thylacotherium (Lund, 1839)

Nexus externi 

 Didelphis apud Systema Natura

Marsupialia
Didelphidae
Taxa Linnaei
Taxa 1758