Notohippus is an extinct genus of notoungulate mammal from the Early Miocene (Santacrucian in the SALMA classification) Santa Cruz Formation, Río Bote, Argentina.Notohippus at Fossilworks.org
Description Notohippus had high crowned teeth with cementum, similar to the situation of grazing equids.Rose, Kenneth D. The beginning of the age of mammals. JHU Press, 2006.
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