Marsupialia Dataset GBIF Backbone Taxonomy Rank FAMILY Classification kingdom Animalia phylum Chordata class Mammalia family Marsupialia Name Synonyms Cimolestes lucasi Rigby & Wolberg, 1987 Ideodelphys microscopicus Ameghino, 1902 Marsupialia Notogale tenuis (Ameghino, 1897) Odontomysopidae Odontomysops spiniferus Ameghino, 1902 Pharsophorus tenuis (Ameghino, 1897) Promysops primarius Ameghino, 1902 Homonyms Marsupialia Marsupialia