Actinocyclus oculatus zone - Proboscia curvirostris zone

International Chronostratigraphic TimescaleNeogene North Pacific Diatom Biochronology
QuaternaryHoloceneMeghalayanNeodenticula seminae0
Northgrippian0.0042
Greenlandian0.0082
PleistoceneLate Pleistocene0.0117
Chibanian0.129
Proboscia curvirostris0.31
Calabrian0.774
Actinocyclus oculatus1.1
Gelasian1.8
Neodenticula koizumii2
2.58
2.65