(Caenolestes_fuliginosus,(Rhyncholestes_raphanurus,(((Murexia_longicaudata,Sminthopsis_crassicaudata),(Dromiciops_gliroides,((Hyladelphys_kalinowskii,(Glironia_venusta,(Caluromysiops_irrupta,(Caluromys_lanatus,Caluromys_philander)))),((Cryptonanus_unduaviensis,(Cryptonanus_chacoensis,(((Chacodelphys_formosa,(Lestodelphys_halli,(Thylamys_pallidior,(Thylamys_macrurus,Thylamys_pusillus,Thylamys_venustus)))),(Metachirus_nudicaudatus,((Chironectes_minimus,(Lutreolina_crassicaudata,((Didelphis_marsupialis,(Didelphis_albiventris,Didelphis_virginiana)),(Philander_frenata,Philander_mcilhennyi,Philander_opossum)))),(Monodelphis_theresa,(Monodelphis_peruviana,(Monodelphis_brevicaudata,Monodelphis_emiliae)))))),((Gracilinanus_aceramarcae,Gracilinanus_agilis,Gracilinanus_emiliae,Gracilinanus_microtarsus),(Marmosops_incanus,Marmosops_noctivagus,(Marmosops_impavidus,(Marmosops_parvidens,Marmosops_pinheiroi))))))),(Tlacuatzin_canescens,(Marmosa_lepida,Marmosa_murina,(Marmosa_rubra,Micoureus_demerarae,Micoureus_paraguayanus,Micoureus_regina,(Marmosa_mexicana,Marmosa_robinsoni)))))))),(Echymipera_kalubu,Perameles_gunnii))));