Neodenticula koizumii - Neodenticula kamtschatica zone

3.665 - 2.65 Ma

The definition of this interval in the timescale Neogene North Pacific Diatom Biochronology is taken from the following source:

  • Y. Yanagisawa and F. Akiba. 1998. Refined Neogene diatom biostratigraphy for the northwest Pacific around Japan, with an introduction of code numbers for selected diatom biohorizons. The Journal of the Geological Society of Japan 104(6):395-414 view

There are intervals in 12 timescales which overlap this one. show

This interval is used in the definition of 19 collections

A total of 2741 collections with 35958 occurrences lie within this time span

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International Chronostratigraphic TimescaleNeogene North Pacific Diatom Biochronology
2
NeogenePliocenePiacenzianNeodenticula koizumii2.58
Neodenticula koizumii - Neodenticula kamtschatica2.65
Zanclean3.6
Neodenticula kamtschaticaThalassiosira oestrupii3.665
MioceneMessinian5.333
N. kamtschatica - Nitz. rolandii5.56
Rouxia californica6.57
Tortonian7.246
Thalassionema schraderi - Denticulopsis katayamaeThalassionema schraderi7.67
Denticulopsis katayamae8.7
Denticulopsis dimorpha - Crucidenticula nicobaricaDenticulopsis dimorpha9.3
Thalassiosira yabei9.7
Denticulopsis praedimorpha11.5
Serravallian11.63
Crucidenticula nicobarica12.7
Denticulopsis simonsenii13.1
Denticulopsis hyalina - Denticulopsis lautaD. hyalina - D. praehyalina13.8
Langhian13.82
Denticulopsis lauta14.4
Crucidenticula sawamurae - Thalassiosira fragaDenticulopsis praelauta15.9
Burdigalian15.98
Crucidenticula kanayae16.3
Crucidenticula sawamurae16.9
Thalassiosira fraga18.4
Thalassiosira praefraga20.3
Aquitanian20.45
23.04
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