Litopterna

(redirected from Liptopterna)

Litopterna

[‚lid·əp′tər·nə]
(paleontology)
An order of hoofed, herbivorous mammals confined to the Cenozoic of South America; characterized by a skull without expansion of the temporal or squamosal sinuses, a postorbital bar, primitive dentition, and feet that were three-toed or reduced to a single digit.