粗尾鼠负鼠属

粗尾鼠負鼠屬(,[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:
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
Waterhouse 1839
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:

  • 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 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. . Wilson, D.E.; Reeder, D.M (编). 3rd. Johns Hopkins University Press. 2005: 17–18. ISBN 978-0-8018-8221-0. OCLC 62265494.
  2. Eisenberg, John Frederick; Redford, Kent Hubbard. . 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. . 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.  . . 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%5B%5D
  6. http://oldredlist.iucnredlist.org/details/199836/0%5B%5D
  7. http://oldredlist.iucnredlist.org/details/199834/0%5B%5D
  8. Braun, J.K.; et al. . 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. . 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 at Fossilworks.org

外部連結

维基共享资源上的相关多媒体资源:粗尾鼠负鼠属

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