BioStor
 | The South American gracile mouse opossums, genus Gracilinanus Gardner and Creighton, 1989 (Marmosidae, Marsupialia): a taxonomic review with notes on general morphology and relationships Philip Hershkovitz (1992) Fieldiana Zoology 70: 1-56 |
 | Dromiciops gliroides Thomas, 1894, last of the Microbiotheria (Marsupialia), with a review of the family Microbiotheriidae Philip Hershkovitz (1999) Fieldiana Zoology 93: 1-60 |