Burdigalian's a age of the early Miocene Epoch. It spans the time between 20.43 ± 0.05 Ma and 15.97 ± 0.05 Ma (million years ago). It's named after Burdigala, the original name for Bordeaux, France. One famous palaeonologic locality's the Turritellenplatte of Ermingen in Germany.… (More on Burdigalian)