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Thalassiosira oestrupii
1672
Type
Subzone
Age range
5.56–3.665
Ma
International Timescale
Pliocene
Piacenzian
Zanclean
Miocene
Messinian
Neogene North Pacific Diatom Biochronology Subzones
Neodenticula koizumii - Neodenticula kamtschatica
Thalassiosira oestrupii
N. kamtschatica - Nitz. rolandii
5.6
5.5
5.4
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.6
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