Children (12 direct children, 14 direct and indirect children):
Aceramarca gracile opossum
Gracilinanus aceramarcae
Emilia's gracile opossum
Emilia’s gracile mouse opossum
Agile gracile opossum
Agile mouse opossum
Northern gracile opossum
Gracilinanus marica
Brazilian gracile opossum
(tree size 2)
Gracilinanus microtarsus
Wood sprite gracile opossum
Gracilinanus dryas
Colombian gracile mouse opossum
Gracilinanus perijae
Long-tailed gracile mouse opossum
Gracilinanus longicaudus
Gracilinanus agricolai
Cryptonanus agricolai
Gracilinanus ignitus
Gracilinanus formosus
Gracilinanus peruanus