Classification of Quinn 1987
G. †Pliohippus Marsh 1874
show all | hide all
†Pliohippus lullianus Troxell 1916
†Pliohippus sejunctus Cope 1874
†Pliohippus seversus Cope 1878
†Pliohippus supremus Leidy 1869
Invalid names: Stylonus Cope 1878 [synonym]