Hi, there.
I am seeking for help on an ongoing research. You see, there is two fossil sites in wich I work as a graduate student. We are developing a new method to identify isolated Bison teeth using multivariate statistics. Until now we beign able to differentiate between two ecotypes, a large form and a small form. These are not sexual differences (we alrealy test them and find the sexual difference does not correspond with our findings).
The help I need now is if you know someone or directly posess skulls of fossil North American fossil bisons with attached teeth. I only need to identify