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I found this sticking out of a river bank of a dry river that runs seasonally in Washoe County, Nevada. About 4 feet of fine sediment above it. It seemed fossilized/ mineralized but I'm not sure about that. Not that long but thick at its base. Based on the size of my hand I would estimate about 12" long (30 cm) and 12-14" (30-35 cm) circumference at its base. I did not take it all the way out of the riverbank since I thought it may be something significant that a professional may be interested in checking out. It seems like there is too much sediment above it to be from modern cattle that would have been introduced into the area in the mid 1800's. I don't think any bison antiquus or even modern bison have been found in this area of western Nevada, not far from Pyramid Lake and at an elevation that would have been close to the high point shoreline of Pleistocene Lake Lahontan. The geologic maps list the area as Pliocene to Pleistocene alluvial deposits. Any feedback on how to proceed would be appreciated. I'd have to look at some parcel maps to determine if it's on public or private land.

Any idea if this juvenile Bison skull is B. occidentalis or B. bison? It comes from a river in Tulsa Oklahoma. 15.5 inches (39.4cm) tip-to-tip.

Hello, I found this bison skull in a creek yesterday after a very heavy rain (that downed many trees in a few areas). Positive it's bison, but not sure if it is a young bison bison, or possibly a bison antiquus calf? The horns from tip to tip are 20 1/2" and the length of the skull is around 19 1/2" There are 3 upper cheek teeth present, the back 2 worn down considerably. Any help would be much appreciated!

I found this on the Yellowstone River after high water, it had washed onto an island on the river and gotten caught in an old tree that was also beached on the island. It is 22" from tip to tip and heavier than I would have expected as if it has begun mineralization. The base of the horn cones are 3 1/8" at their largest dimension. Could this be a Bison Antiquus? Any insight would be greatly appreciated.

Hello Fossil Enthusiasts! I recently found a large group of Bison bones. They were found all together. They have not been cleaned as I believe the soil may contain some clues as to the age. (Including a little clam shell in the skull.) There are multiple animals here; one skull, three adult horns, one baby horn, shoulder blade, ribs, tibia, teeth, etc. A rough estimate is that they are Bison Bison. Thank you in advance!

Hi! Just thought those interested would like to see what creek walking on a beautiful day in North Texas can surprise you with! All details will be forthcoming ID is in the works! And yes, there are more bones Take away from this...GET OUTSIDE! You just never know lol! Thanks for looking, Pamela