Evidence shows the American Bison evolved from the Occidentalis about 5,00 years ago. This is an extinct Bison Occidentalis skull. Bison Priscus became extinct, but North America contained both Bison Antiquus, Latifrons and later, Bison Occidentalis. Details about BISON Skull HUGE Partial FOSSIL Pleistocene Bison Buffalo ~11" BH23. The skull was collected near the Little Sioux River area in Iowa. Thanks for the helpful reply! This is a large portion of the skull that includes both horns. For sale is a set of two bison or buffalo skulls. Extinct Bison Occidentalis Skull for auction. My skull's measurements would place it within the Bison occidentalis range, though it still might be just a big modern bison. Evidence shows the American Bison evolved from the Occidentalis about 5,00 years ago. There's a lot of calcification and weirdness to the texture of the bone on the forehead and around the eye orbits, which I've heard could suggest it was an older animal. Bison antiquus, the antique or ancient bison, is an extinct species of bison that lived in Late Pleistocene North America until around 10,000 years ago. This is a large portion of the skull that includes both horns. A BISON SKULL FROM LYMAN COUNTY, SOUTH DAKOTA B.S. There's a lot of calcification and weirdness to the texture of the bone on the forehead and around the eye orbits, which I've heard could suggest it was an older animal. During the later Pleistocene epoch, between 240,000 and 220,000 years ago, steppe wisent (B. priscus) migrated from Siberia into Alaska. This is a large portion of the skull that includes both horns. The Occidentalis was a species of bison that inhabited North America from 5,000 to 10,000 years ago. The Occidentalis was a species of bison that inhabited North America from 5,000 to 10,000 years ago. Bison occidentalis is an extinct species of bison that lived in North America during the Pleistocene. Buffalo - bison skulls or a buffalo taxidermy mount will give your home that real old west favor. Bison antiquus, sometimes called the “ancient bison”, was the most common large herbivore of the North American continent for over 10,000 years, and is a direct ancestor of the living American bison. Whitetail Deer European Taxidermy mount for sale SKU 1032 $ 139.00 Read more Whitetail Deer European Taxidermy mount for sale SKU 1037 $ 69.00 Read more Lynx Taxidermy mount for Sale SKU 1043 This is a large portion of the skull that includes both horns. The skull was collected near the Little Sioux River area in Iowa. We will articulate your bison in any pose you choose! The skull of this specimen is considered to be one of the finest and largest found to date. The first one, the bigger one is an extinct species that was a mature male called a Bison antiquus occidentalis . Description: This is an extinct Bison Occidentalis skull. ... Occidentalis, Bison is a product of natural environmental change and inbreeding between migrated subspecies. Horn tip to horn tip measures 32 inches. (30") Bison Occidentalis partial skull For Sale. For bidding in this lot is an petrified bison occidentalis skull. The ancient skull was purchased by the consigner from a man who possessed the skull for 70 years - The skull was passed down to the man from his grandfather who owned the skull for an unknown amount of time.