Neogene Zapodidae (Mammalia; Rodentia) from South Dakota

Chordata Gregory County South Dakota Keya Paha County Nebraska Barstovian Arikareean Eutheria Hemingfordian Cenozoic lower Miocene Mammalia Nebraska South Dakota Fremont County Wyoming Neogene Paleogene paleontology Tetrapoda Miocene Oligocene Pliocene Tertiary United States Vertebrata Valentine Formation Wyoming Theria Shannon County South Dakota Brule County South Dakota Rodentia