Type
Zone
Age range
3.665–2.65 Ma
Pliocene
Piacenzian
Zanclean
Neodenticula koizumii
Neodenticula koizumii - Neodenticula kamtschatica
Neodenticula kamtschatica
Neodenticula koizumii
Neodenticula koizumii - Neodenticula kamtschatica
Thalassiosira oestrupii
3.73.63.63.53.53.53.43.43.33.33.23.13.13.03.03.02.92.92.82.82.72.6