notoungulate
/ˌnəʊtəʊˈʌŋgjʊlət/noun
1- an extinct hoofed mammal of a large and varied group that lived in South America throughout the Tertiary period, finally dying out in the Pleistocene南美有蹄动物。
1.1
- Order Notoungulata: many families.南方有蹄目：多科。
词源
late 20th cent.: from modern Latin Notoungulata, from Greek notos 'south' + Latin ungula 'nail'.