Type
Subzone
Age range
16.3–15.9 Ma
Miocene
Langhian
Burdigalian
Denticulopsis lauta
Denticulopsis praelauta
Crucidenticula kanayae
16.3016.2816.2616.2416.2216.2016.1816.1616.1416.1216.1016.0816.0616.0416.0216.0015.9815.9615.9415.9215.90