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Paraguayan Fat-tailed Mouse Opossum: Wikis


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Paraguayan Fat-tailed Mouse Opossum[1]
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Didelphimorphia
Family: Didelphidae
Genus: Thylamys
Species: T. macrurus
Binomial name
Thylamys macrurus
(Olfers, 1818)

The Paraguayan Fat-tailed Mouse Opossum (Thylamys macrurus) is a species of opossum in the Didelphidae family. It is found in forested areas of Brazil and Paraguay.[2] It is known only from a few specimens. For two listed specimens, one had a head-and-body length of about 135 mm and a tail length of about 140 mm, while the other had a head-and-body length of about 120 mm and a tail length of about 155 mm. Most of its fur is gray, but the shoulder areas are reddish gray, and the ventral fur is pure white or creamy white. There is also a ring of black fur surrounding each eye. The ventral surface of the tail is white. The dorsal surface of the tail is gray for the first one third to one half of its length (going from the base to the tip); the remainder of the dorsal surface of the tail is white. The tail is hairless except for about its first ten mm (going from the base to the tip).[3] Although the genus Thylamys is characterized by fat storage in the tail, there is no evidence that this species stores fat in its tail.[4]


  1. ^ Gardner, Alfred (2005-11-16). Wilson, D. E., and Reeder, D. M.. ed. Mammal Species of the World (3rd ed.). Johns Hopkins University Press. pp. 17. ISBN 0-801-88221-4. 
  2. ^ a b de la Sancha, N. & Teta, P. (2008). Thylamys macrurus. In: IUCN 2008. IUCN Red List of Threatened Species. Downloaded on 28 December 2008. Database entry includes justification for why this species is listed as near threatened
  3. ^ Eisenberg, John Frederick; Redford, Kent Hubbard (1999). Mammals of the Neotropics: The Central Neotropics: Ecuador, Peru, Bolivia, Brazil. University of Chicago Press. pp. 624. ISBN 9780226195421. 
  4. ^ Gardner, Alfred L. (2008). Mammals of South America: Marsupials, xenarthrans, shrews, and bats. University of Chicago Press. pp. 669. ISBN 0226282406. 


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