This list of the Cenozoic life of North Dakota contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of North Dakota and are between 66 million and 10,000 years of age.
†Protictis microlestes – or unidentified comparable form
†Protictis paralus – type locality for species
Life restoration of a female (left) and male of the Oligocene-Miocene even-toed ungulate Protoceras. Charles R. Knight (1896). †Protoceras – tentative report