粗尾鼠负鼠属

负鼠科的一属哺乳动物

粗尾鼠負鼠屬Thylamys[1]白鼠負鼠),哺乳綱的一屬,而與鼠負鼠屬(白鼠負鼠)同科的動物尚有林負鼠屬(安氏負鼠)、短尾負鼠屬(短尾負鼠)等之數種哺乳動物

粗尾鼠負鼠屬
化石时期:中新世中期Colloncuran英语Colloncuran至現在
表达式错误:预期外的<运算符。

表达式错误:预期外的<运算符。

Elegant fat-tailed mouse opossum
科学分类 编辑
界: 动物界 Animalia
门: 脊索动物门 Chordata
纲: 哺乳纲 Mammalia
演化支 有袋類 Marsupialia
目: 負鼠目 Didelphimorphia
科: 負鼠科 Didelphidae
亚科: 負鼠亞科 Didelphinae
属: 粗尾鼠負鼠屬 Thylamys
Gray , 1843
模式種
Didelphis elegans英语Elegant fat-tailed opossum
物种

見內文

形態描述

本屬物種的前上頜骨是圓的而不是尖的。雌獸有育幼袋,而且其乳頭在腹部排成對稱的兩排 [2]。除T. macrurus以外,其餘物種皆以其尾部儲存脂肪[3],儘管可能這並不適7於所有同屬物種[4]

分類學

現生物種

現時本屬包括下列各現生種:

化石物種

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英语Honda Group, Colombia 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

參考文獻

  1. ^ 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. 
  2. ^ Eisenberg, John Frederick; Redford, Kent Hubbard. Mammals of the Neotropics: The Central Neotropics: Ecuador, Peru, Bolivia, Brazil. 芝加哥大學出版社. 1999: 624 [2019-10-08]. ISBN 978-0-226-19542-1.  . (原始内容存档于2020-08-11). 
  3. ^ 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). 
  4. ^ 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). 
  5. ^ http://oldredlist.iucnredlist.org/details/199835/0[永久失效連結]
  6. ^ http://oldredlist.iucnredlist.org/details/199836/0[永久失效連結]
  7. ^ http://oldredlist.iucnredlist.org/details/199834/0[永久失效連結]
  8. ^ 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. 
  9. ^ 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. 
  10. ^ Thylamys页面存档备份,存于互联网档案馆) at Fossilworks.org

外部連結

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