Isotemnidae

Taxobox
name = Isotemnidae
fossil_range = late Paleocene to ?late Oligocene

---

image_caption="Thomashuxleya"
regnum = Animalia
phylum = Chordata
classis = Mammalia
ordo = †Notoungulata
subordo = †Toxodonta
familia = †Isotemnidae
familia_authority = Ameghino, 1897
subdivision_ranks = Genera
subdivision = †"Anisotemnus"
†"Coelostylodon"
†"Distylophorus"
†"Hedralophus"
†"Isotemnus"
†"Lophocoelus"
†"Pampatemnus"
†"Periphragnis"
†"Pleurocoelodon"
†"Pleurostylodon"
†"Rhyphodon"
†"Thomashuxleya"

Isotemnidae is an extinct family of notoungulate mammals known from the Paleocene through Oligocene of South America (McKenna and Bell, 1997).

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