Hegetotheria

Hegetotheria[1]; Temporal range: Late Paleocene–Early Pleistocene PreЄ Є O S D C P T J K Pg N
	Propachyrucos ameghinorum fossil
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	†Notoungulata
Suborder:	†Hegetotheria; Simpson, 1945
Families
	Griphotherion †Archaeohyracidae; †Hegetotheriidae; ;

Hegetotheria is a suborder of the extinct mammalian order Notoungulata and includes two families, Archaeohyracidae and Hegetotheriidae. Cifelli (1993) indicated that the suborder Typotheria would be paraphyletic if it excluded members of Hegetotheria and he advocated inclusion of the hegetothere families in Typotheria.

Notes

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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