Type
Zone
Age range
52.85–50.3 Ma

International Timescale

Eocene
Ypresian

Low Latitude Radiolarian Zonation

Phormocyrtis striata striata
Buryella clinata
Bekoma bidartensis
52.852.652.452.252.051.851.651.451.251.050.850.650.450.2

Macrostrat

Data

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