Hump of a fossilized European bison - Bison Priscus-
PUFO340
3 vertebras of a fossilized European bison - Bison Priscus- dating from 10 000 to 200 000 years old: Pleistocene period. This european ancestor of the actual bisons had a "hunched" back. And these 3 vertebras were prcisely under this hump, and their shape let you see how bumpy they were.