Children (5 direct children, 5 direct and indirect children):
Red-bellied gracile opossum
Cryptonanus ignitus
Cryptonanus agricolai
Agricola’s gracile opossum
Guahiba gracile opossum
Cryptonanus guahybae
Unduavi gracile opossum
Cryptonanus unduaviensis
Chacoan gracile opossum
Chacoan mouse opossum