Isotemnidae

Isotemnidae Temporal range: Late Paleocene-Middle Miocene (Itaboraian-Laventan) ~59.0–11.8  Ma PreꞒ Ꞓ O S D C P T J K Pg N
Thomashuxleya
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	† Notoungulata
Suborder:	† Toxodontia
Family:	† Isotemnidae Ameghino 1897
Genera
† Anisotemnus † Coelostylodon † Distylophorus † Hedralophus † Isotemnus † Itaboraitemnus † Lophocoelus † Pampatemnus † Periphragnis † Pleurocoelodon † Pleurostylodon † Rhyphodon † Thomashuxleya

Isotemnidae is an extinct family of notoungulate mammals known from the Paleocene (Las Flores Formation, Itaboraian) to Middle Miocene (Honda Group, Laventan) of South America. ^[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

Further reading

• Goin, F. J.; Candela, A.M.; Abello, M.A.; Oliveira, E.V. (2009), "Earliest South American paucituberculatans and their significance in the understanding of 'pseudodiprotodont' marsupial radiations", Zoological Journal of the Linnean Society , 155 (4): 867–884, doi:10.1111/j.1096-3642.2008.00471.x , retrieved 2019-02-15
• M. McKenna. 1956. Survival of primitive Notoungulates and Condylarths into the Miocene of Colombia. American Journal of Science 254:736-743