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Denticulopsis dimorpha - Crucidenticula nicobarica
1668
Type
Zone
Age range
13.8–9.3
Ma
International Timescale
Miocene
Tortonian
Serravallian
Langhian
Neogene North Pacific Diatom Biochronology
Thalassionema schraderi - Denticulopsis katayamae
Denticulopsis dimorpha - Crucidenticula nicobarica
Denticulopsis hyalina - Denticulopsis lauta
14.0
13.8
13.6
13.4
13.2
13.0
12.8
12.6
12.4
12.2
12.0
11.8
11.6
11.4
11.2
11.0
10.8
10.6
10.4
10.2
10.0
9.8
9.6
9.4
9.2
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