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Superregnum: Eukaryota ----------- Notohippidae is an extinct family of notoungulate mammals from South America. Notohippids are known from the Eocene and Oligocene epochs[1]. References 1. ^ McKenna, Malcolm C., and Bell, Susan K. 1997. Classification of Mammals Above the Species Level. Columbia University Press, New York, 631 pp. ISBN 0-231-11013-8 Source: Wikispecies, Wikipedia: All text is available under the terms of the GNU Free Documentation License |
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