Horses, Fossil -- North America -- Pictorial works.
Found in 1 Collection or Record:
Neohipparion / On base "Amory C. Simons"
Inscription: On base "8 Upper miocene & South Dakota &/ Armory C. Simons & New York & 1924 &/ three toed horse - Neohipparion & from & skeleton & 1/4 scale & AM MU Nat. His.".