Molecular Biology and Genetics
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Statistics of barcoding coverage
| Specimen Records: | 18 |
| Specimens with Sequences: | 5 |
| Specimens with Barcodes: | 5 |
| Public Records: | 2 |
| Species: | 6 |
| Species With Barcodes: | 3 |
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Wikipedia
Thylamys
Thylamys is a genus of opossum in the family Didelphidae. The premaxillae are rounded rather than pointed. The females lack a pouch. The females' nipples are arranged in two symmetrical rows on the abdomen[2] All species but T. macrurus store fat in their tails.[3], although this is not necessarily true for all species in the genus.[4]
The genus contains the following species:
- Cinderella Fat-tailed Mouse Opossum (Thylamys cinderella)
- (Thylamys citellus) [5]
- Elegant Fat-tailed Mouse Opossum (Thylamys elegans)
- (Thylamys fenestrae) [6]
- Karimi's Fat-tailed Mouse Opossum (Thylamys karimii)
- Paraguayan Fat-tailed Mouse Opossum (Thylamys macrurus)
- White-bellied Fat-tailed Mouse Opossum (Thylamys pallidior)
- (Thylamys pulchellus) [7]
- Common Fat-tailed Mouse Opossum (Thylamys pusillus)
- Argentine Fat-tailed Mouse Opossum (Thylamys sponsorius)
- Tate's Fat-tailed Mouse Opossum (Thylamys tatei)
- Dwarf Fat-tailed Mouse Opossum (Thylamys velutinus)
- Buff-bellied Fat-tailed Mouse Opossum (Thylamys venustus)
Fossils belonging to the genus date back to the Miocene, with the oldest specimens being found in Argentina and Colombia.[8] Genetic studies indicate that the genus may have originated around 14 million years ago.[9]
References
- ^ Gardner, Alfred L. (16 November 2005). "Order Didelphimorphia (pp. 3-18)". In Wilson, Don E., and Reeder, DeeAnn M., eds. Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Baltimore: Johns Hopkins University Press, 2 vols. (2142 pp.). pp. 17-18. ISBN 978-0-8018-8221-0. OCLC 62265494. http://www.bucknell.edu/msw3/browse.asp?id=10400161.
- ^ 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 978-0-226-19542-1. http://books.google.com/books?id=p2MDAzCeQQoC&source=gbs_navlinks_s.
- ^ Gardner, Alfred L. (2008). Mammals of South America: Marsupials, xenarthrans, shrews, and bats. University of Chicago Press. pp. 669. ISBN 0-226-28240-6. http://books.google.com/books?id=dbU3d7EUCm8C&source=gbs_navlinks_s.
- ^ Voss, R.S. & Jansa, S.A. (2003). "Nonmolecular data and new IRBP sequences: separate and combined analyses of didelphine relationships with denser taxon sampling". Bulletin of the American Museum of Natural History 276: 1–82. http://digitallibrary.amnh.org/dspace/handle/2246/444.
- ^ http://www.iucnredlist.org/apps/redlist/details/199835/0
- ^ http://www.iucnredlist.org/apps/redlist/details/199836/0
- ^ http://www.iucnredlist.org/apps/redlist/details/199834/0
- ^ Braun, J.K., et al. (2005). "Phylogenetic and biogeographic relationships of mouse opossums Thylamys (Didelphimorphia, Didelphidae) in southern South America". Journal of Mammalogy 86 (1): 147–159. doi:10.1644/1545-1542(2005)086<0147:PABROM>2.0.CO;2.
- ^ Steiner, C. et al. (2005). "New DNA data from transthyretin nuclear intron suggest an Oligocene to Miocene diversification of living South American opossums (Marsupialia: Didelphidae)". Molecular Phylogenetics and Evolution 35: 363–379.
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