Polydolopimorphia
Polydolomorphia est exstinctus marsupialium subordo.

Taxinomicum animalium systema 
 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: Paucituberculata
 Subordo: Polydolopimorphia

Classificatio 
 Subordo Polydolopimorphia (Marshall et al., 1990)
 Incertae sedis				
 Familia Protodidelphidae		
 Genus Bobbschaefferia (Paula Couto, 1970)
 Genus Carolocoutoia (Candela & Goin & Olivier, 1998)
 Genus Guggenheimia (Paula Couto, 1952)
 Genus Protodidelphis (Paula Couto, 1952)
 Genus Reigia (Pascual, 1983)
 Genus Zeusdelphys (Marshall, 1982)

Marsupialia