宽臼兽科
外观
宽臼兽科 | |
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科学分类 | |
界: | 动物界 Animalia |
门: | 脊索动物门 Chordata |
纲: | 哺乳纲 Mammalia |
目: | 啮齿目 Rodentia |
科: | †宽臼兽科 Eurymylidae Matthew, Granger, & Simpson, 1929 |
属 | |
宽臼兽科(学名Eurymylidae)是一科已灭绝的单齿类。大部份学者都认为它们是所有现今啮齿目的基底,且是啮齿目最后共同祖先的祖先。但是认识较多的原古兔属、晓鼠属、晨光兽属及菱臼兽属似乎是一个非啮齿目直接祖先的单系群。[1]另外有指晓鼠属、晨光兽属及菱臼兽属是属于同一分支,拥有独特的头颅骨及齿式特征。应分类为Rhombomylidae。[2]宽臼兽科只在亚洲被发现。
分类
[编辑]参考
[编辑]- ^ Meng, J., Y. Hu, C. Li. The osteology of Rhombomylus (Mammalia, Glires): implications for phylogeny and evolution of Glires. Bulletin of the American Museum of Natural History. 2003, 275: 1–247.
- ^ 2.0 2.1 Huang, X., C. Li, M.R. Dawson, and L. Liu. Hanomys malcolmi, a new simplicidentate mammal from the Paleocene of central China: its relationships and stratigraphic implications. Bulletin of Carnegie Museum of Natural History. 2003, 36 (1): 81–9.
- ^ McKenna, Malcolm C., and Bell, Susan K. Classification of Mammals Above the Species Level. New York: Columbia University Press. 1997: 631 pp. ISBN 0-231-11013-8.
- ^ Ting, S., J. Meng, M.C. McKenna, and C. Li. The osteology of Matutinia (Simplicidentata, Mammalia) and its relationship to Rhombomylus. American Museum Novitates. 2002, 3371: 1–33.