粗尾鼠负鼠属
负鼠科的一属哺乳动物
粗尾鼠负鼠属（Thylamys，[1]白鼠负鼠），哺乳纲的一属，而与鼠负鼠属（白鼠负鼠）同科的动物尚有林负鼠属（安氏负鼠）、短尾负鼠属（短尾负鼠）等之数种哺乳动物。
粗尾鼠负鼠属 化石时期：
| |
|---|---|
| |
| Elegant fat-tailed mouse opossum | |
科学分类 
| |
| 界： | 动物界 Animalia |
| 门： | 脊索动物门 Chordata |
| 纲： | 哺乳纲 Mammalia |
| 演化支： | 有袋类 Marsupialia |
| 目： | 负鼠目 Didelphimorphia |
| 科： | 负鼠科 Didelphidae |
| 亚科： | 负鼠亚科 Didelphinae |
| 属： | 粗尾鼠负鼠属 Thylamys Gray , 1843 |
| 模式种 | |
| Didelphis elegans Waterhouse 1839
| |
| 物种 | |
形态描述
编辑本属物种的前上颌骨是圆的而不是尖的。雌兽有育幼袋，而且其乳头在腹部排成对称的两排 [2]。除T. macrurus以外，其余物种皆以其尾部储存脂肪[3]，尽管可能这并不适7于所有同属物种[4]。
分类学
编辑现生物种
编辑现时本属包括下列各现生种：
- Cinderella fat-tailed mouse opossum (T. cinderella)
- (Thylamys citellus) [5]
- Elegant fat-tailed mouse opossum (T. elegans)
- (Thylamys fenestrae) [6]
- Karimi's fat-tailed mouse opossum (T. karimii)
- Paraguayan fat-tailed mouse opossum (T. macrurus) Olfers 1818
- White-bellied fat-tailed mouse opossum (T. pallidior) Thomas 1902
- (T. pulchellus) [7]
- Common fat-tailed mouse opossum (T. pusillus) Desmarest 1804
- Argentine fat-tailed mouse opossum (T. sponsorius)
- Tate's fat-tailed mouse opossum (T. tatei)
- Dwarf fat-tailed mouse opossum (T. velutinus)
- Buff-bellied fat-tailed mouse opossum (T. venustus) Thomas 1902
化石物种
编辑Fossils belonging to the genus date back to the 中新世, with the oldest specimens being found in the Cerro Azul Formation of 阿根廷 and the Honda Group of 哥伦比亚.[8] Genetic studies indicate that the genus may have originated around 14 million years ago.[9]
Fossil species:[10]
- T. colombianus Goin 1997
- T. minutus Goin 1997
- T. pinei Goin et al. 2000
参考文献
编辑- ^ Gardner, A.L. Order Didelphimorphia. Wilson, D.E.; Reeder, D.M (编). Mammal Species of the World: A Taxonomic and Geographic Reference 3rd. Johns Hopkins University Press. 2005: 17–18. ISBN 978-0-8018-8221-0. OCLC 62265494.
- ^ Eisenberg, John Frederick; Redford, Kent Hubbard. Mammals of the Neotropics: The Central Neotropics: Ecuador, Peru, Bolivia, Brazil. 芝加哥大学出版社. 1999: 624 [2019-10-08]. ISBN 978-0-226-19542-1. . （原始内容存档于2020-08-11）.
- ^ Gardner, Alfred L. Mammals of South America: Marsupials, xenarthrans, shrews, and bats. University of Chicago Press. 2008: 669 [2019-10-08]. ISBN 0-226-28240-6. . （原始内容存档于2014-01-03）.
- ^ Voss, R.S. & Jansa, S.A. . 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. 2003, 276: 1–82 [2019-10-08]. doi:10.1206/0003-0090(2003)276<0001:PSODMI>2.0.CO;2. （原始内容存档于2012-09-13）.
- ^ http://oldredlist.iucnredlist.org/details/199835/0[永久失效链接]
- ^ http://oldredlist.iucnredlist.org/details/199836/0[永久失效链接]
- ^ http://oldredlist.iucnredlist.org/details/199834/0[永久失效链接]
- ^ Braun, J.K.; et al. Phylogenetic and biogeographic relationships of mouse opossums Thylamys (Didelphimorphia, Didelphidae) in southern South America. Journal of Mammalogy. 2005, 86 (1): 147–159. doi:10.1644/1545-1542(2005)086<0147:PABROM>2.0.CO;2.
- ^ Steiner, C.; et al. New DNA data from transthyretin nuclear intron suggest an Oligocene to Miocene diversification of living South American opossums (Marsupialia: Didelphidae). Molecular Phylogenetics and Evolution. 2005, 35: 363–379. PMID 15804409. doi:10.1016/j.ympev.2004.12.013.
- ^ Thylamys （页面存档备份，存于互联网档案馆） at Fossilworks.org
外部链接
编辑
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