Children (26 direct children, 275 direct and indirect children):
Marmosa
(tree size 73)
Didelphis
(tree size 26)
Gracilinanus
(tree size 14)
Gray and black four-eyed opossum
(tree size 18)
Philander
Thylamys
(tree size 12)
Fat-tailed mouse opossums
Short-tailed opossum
(tree size 30)
Short-tailed opossums
Marmosops
(tree size 25)
Micoureus
(tree size 19)
Subgenus marmosa (micoureus)
Incadelphys
Mizquedelphys
Marmosopsis
Thylatheridium
Marmosini
Coona
Andinodelphys
Didelphini
(tree size 2)
Thylamyini
Lutreolina
(tree size 7)
Chironectes
(tree size 5)
Hyladelphys
(tree size 1)
Lestodelphys
(tree size 1)
Metachirus
(tree size 12)
Tlacuatzin
(tree size 3)
Monodelphini
Mirandaia
(tree size 1)
Metachirini