Coronocyclus mesostenos


Classification: ntax_cenozoic -> Coccolithales -> Coccolithaceae -> Coronocyclus -> Coronocyclus mesostenos
Sister taxa: C. nitescens, C. mesostenos, C. baileyi, C. lordii, C. sp.

Taxonomy:

Citation: Coronocyclus mesostenos de Kaenel & Boesiger in Boesiger et al. 2017
Rank: species
Synonyms:

Distinguishing features: Ellptical Coronocyclus with  wide central area and narrow to broad shield.

Farinacci & Howe catalog pages: C. mesostenos *

Search data:
TagsLITHS: placolith, elliptical, CA: vacant,
CSPH: monomorphic, CROSS-POLARS: rim-bicyclic, V-prominent, R-prominent,
MetricsLith size: 0->0µm;
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Notes: Young  (1998) recorded elliptcal Coronocyclus as characteristic of the top of the range of Coronocylus, NN5-6, however Beosiger et al. report it as occuring back to the Eocene. Most illustrated speciemns are from NN4-6.
Last occurrence (top): within NN6 zone (11.90-13.53Ma, top in Serravallian stage). Data source: Boesiger et al 2017; Young 1998
First occurrence (base): within Lutetian Stage (41.15-47.84Ma, base in Lutetian stage). Data source: Boesiger et al 2017

Plot of occurrence data:

References:

Boesiger, T. M., de Kaenel, E., Bergen, J. A., Browning, E. & Blair, S. A. , . (2017). Oligocene to Pleistocene taxonomy and stratigraphy of the genus Helicosphaera and other placolith taxa in the circum North Atlantic Basin. Journal of Nannoplankton Research. 37(2-3): 145-175. gs V O

da Gama, R. O. B. P. & Varol, O. (2013). New Late Oligocene to Miocene Species. Journal of Nannoplankton Research. 33(1): 1-12. gs V O

de Kaenel, E. & Villa, G. (1996). Oligocene-Miocene calcareous nannofossil biostratigraphy and paleoeecology from the Iberian Abyssal Plain. Proceedings of the Ocean Drilling Program, Scientific Results. 149: 79-145. gs V O

Müller, C. (1974c). Nannoplankton aus dem Mittel-Miozän von Walbersdorf (Burgenland). Senckenbergiana Lethaea. 55: 389-405. gs

Young, J. R. (1998). Neogene. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 225-265. gs V O


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Coronocyclus mesostenos compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 28-2-2021

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=1550 Go to Archive.is to create a permanent copy of this page - citation notes



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