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Notioprogonia is a suborder of the extinct mammalian order Notoungulata and includes two families, Henricosborniidae and Notostylopidae. Notioprogonia includes the most primitive notoungulates and Cifelli (1993) has argued that Notioprogonia is paraphyletic because it would include the ancestors of the remaining suborders.
- ^ McKenna & Bell, 1997, pp. 455-456.
[edit] References
- Cifelli, Richard L. 1993. The phylogeny of the native South American ungulates. pp. 195-216 in F. S. Szalay, M. J. Novacek and M. C. McKenna (eds.) Mammal Phylogeny, Volume 2, Placentals. Springer-Verlag, New York. ISBN 0-387-97853-4
- 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
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