( OPPOSSUMS: OPPOSSUM vs. COMMON OPPOSSUM vs. WHITE-EARED OPPOSSUM vs. BIG-EARED OPPOSSUM vs. ANDEAN WHITE-EARED OPPOSSUM vs. GUIANAN WHITE-EARED OPPOSSUM )
( DIDELPHIS: DIDELPHIS VIRGINIANA cum DIDELPHIS MARSUPIALIS cum DIDELPHIS ALBIVENTRIS cum DIDELPHIS AURITA cum DIDELPHIS PERNIGRA cum DIDELPHIS IMPERFECTA )