Type
Zone
Age range
61.4–61 Ma
Paleocene
Selandian
M. angulata LOZ
P. uncinata LOZ
E. edita PRZ
61.4061.3861.3661.3461.3261.3061.2861.2661.2461.2261.2061.1861.1661.1461.1261.1061.0861.0661.0461.0261.00