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litoptern Syllabification: li·top·tern
Pronunciation: /līˈtäpˌtərn/

Definition of litoptern in English:


An extinct South American hoofed mammal resembling a horse or camel, found from the Paleocene to the Pleistocene epochs.
  • Order Litopterna: several families
Example sentences
  • Many strange mammals - litopterns, notoungulates, ground sloths, borhyeanas, etc - continued to evolve in isolation in South America before a land bridge formed and allowed a devastating invasion of forms from the north.


Early 20th century: from modern Latin Litopterna, from Greek litos 'smooth' + pternē 'heel bone'.

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