pliohippus in a sentence

Examples

1. Subsequently, populations of this species entered South America as part of the Great American Interchange shortly after the formation of the Isthmus of Panama, and evolved into the form currently referred to as " Hippidion " ~ 2.5 million years ago . " Hippidion " is thus unrelated to the morphologically similar " Pliohippus ", which presumably became extinct during the Miocene.