(Glironia_venusta,((Caluromysiops_irrupta,(Caluromys_lanatus,Caluromys_philander)),(Hyladelphys_kallinowskii,(Marmosa_robinsoni,(Cryptonanus_unduaviensis,((((Marmosa_mexicana,(Marmosa_murina,(Marmosa_rubra,(Chironectes_minimus,Metachirus_nudicaudatus,((Didelphis_virginiana,(Didelphis_albiventris,Didelphis_marsupialis)),(Lutreolina_crassicaudata,(Philander_mcilhennyi,(Philander_frenatus,Philander_opossum))))),(Monodelphis_brevicaudata,(Monodelphis_adusta,Monodelphis_theresa))))),(Micoureus_regina,(Micoureus_demerarae,Micoureus_paraguayanus))),(Tlacuatzin_canescens,(Gracilinanus_agilis,Gracilinanus_microtarsus))),((Lestodelphys_halli,((Marmosops_incanus,(Marmosops_impavidus,Marmosops_noctivagus)),(Marmosops_parvidens,Marmosops_pinheiroi))),(Thylamys_pusillus,(Thylamys_macrurus,(Thylamys_pallidior,Thylamys_venustus))))))))));