Type
Age
Age range
16.3–13.6 Ma
Miocene
Serravallian
Langhian
Burdigalian
Clarendonian
Barstovian
Hemingfordian
Clarendonian
Barstovian
Hemingfordian
16.416.216.015.815.615.415.215.014.814.614.414.214.013.813.6