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Cryptocarpium ornatum
1647
Type
Zone
Age range
34.9–32.8
Ma
International Timescale
Oligocene
Rupelian
Eocene
Priabonian
Low Latitude Radiolarian Zonation
Theocyrtis tuberosa
Cryptocarpium ornatum
Calocyclas bandyca
34.9
34.8
34.7
34.6
34.5
34.4
34.3
34.2
34.1
34.0
33.9
33.8
33.7
33.6
33.5
33.4
33.3
33.2
33.1
33.0
32.9
32.8
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