Notoungulata is an extinct order of ungulates that inhabited South America from the early Paleocene to the end of the Pleistocene, living from approximately...

to 3.8 tonnes (4.2 short tons), which makes it the largest member of Notoungulata. Mixotoxodon is known from a single species, M. larensis. Mixotoxodon...

Pliocene to the end of the Late Pleistocene. Toxodon is a member of Notoungulata, an order of extinct South American native ungulates distinct from the...

as well as the South American native ungulate groups Litopterna and Notoungulata, both of which went extinct approximately 12,000 years ago. Other South...

body weight while standing or moving. Two other orders of ungulates, Notoungulata and Litopterna, both native to South America, became extinct at the end...

South America. Bruce J. Shockey. New leontinids (Class Mammalia, order Notoungulata, family Leontiniidae) from the Salla beds of Bolivia (Deseadan, Late...

Litopterna and Toxodon from the Notoungulata). Both kinship groups, the odd-toed ungulates and the Litopterna-Notoungulata, are now in the higher-level taxon...

represent the second most diverse group of South American ungulates after Notoungulata. It is divided into nine families, with Proterotheriidae and Macraucheniidae...

major groups conventionally ranked as orders—Astrapotheria, Litopterna, Notoungulata, Pyrotheria, and Xenungulata—as well as the primitive "condylarth" groups...

the others being Hegetotheriidae and Toxodontidae. Within the order Notoungulata, Mesotheriidae is placed in the suborder Typotheria. In fact, Typotheria...