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also nan·o·fos·sil  (năn′ə-fŏs′əl)
A very small fossil organism, especially one of the nannoplankton.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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The Early Toarcian Oceanic Anoxic Event (OAE), as defined by both relatively high total organic carbon (TOC) values and ammonite and nannofossil biostratigraphy, is clearly synchronous across Europe and will undoubtedly prove to be so in global context [1].
and that the Labrador Current became much stronger at that time; they based their conclusions on nannofossil records of two deep-sea cores from the Labrador Sea.
(2013): The Bartonian-Priabonian marine record of the eastern South Pyrenean Foreland Basin (NE Spain): A new calibration of the larger foraminifers and calcareous nannofossil biozonation.
The first occurrence of the calcareous nannofossil Quadrum gartneri PRINS and PERCH-NIELSEN is the selected bioevent for the C-T boundary in the Menoyo section (Gorostidi and Lamolda, 1991; Lamolda and Peryt, 1998).
(1995): Late Domerian-Toarcian calcareous nannofossil biostratigraphy, benthic foraminiferal assemblages and their paleoenvironmental implications, Montebibico area (Spoleto, Central Italy).
(1999): The Bonarelli level and other black shales in the Cenomanian-Turonian of the northeastern dolomites (Italy): calcareous nannofossil and foraminiferal data: Cretaceous Research, 20: 35-167.
In all holes studied it is recorded close to the last occurrence of the nannofossil Pseudoemiliania lacunosa in the mid-Brunhes Subchron 0.5-0.6 Ma (Fig.
(1997): High-resolution iridium, [delta][sup.13]C, [delta][sup.18]O, foraminifera and nannofossil profiles across the latest Paleocene benthic extinction event at Zumaya, Spain.