Notostylopidae

Notostylopidae; Temporal range: Late Paleocene-Early Oligocene (Riochican-Tinguirirican); ~58.7–28.4 Ma PreꞒ Ꞓ O S D C P T J K Pg N
	Skull of Notostylops
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	†Notoungulata
Suborder:	†Notioprogonia
Family:	†Notostylopidae; Ameghino 1897
Genera
	†Boreastylops; †Chilestylops; †Edvardotrouessartia; †Homalostylops; †Notostylops; †Otrhonia

Notostylopidae is an extinct family comprising five genera of notoungulate mammals known from the Late Paleocene (Riochican) to Early Oligocene (Tinguirirican) of Argentina, Brazil and Chile in South America^[1]

References

^ 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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