Nannotax3 - ntax_cenozoic - Coccolithus tenuiforatus

Citation: Coccolithus tenuiforatus (Clocchiatti and Jerkovic, 1970) Wise, 1983

Basionym: Cruciplacolithus tenuiforatus Clocchiatti and Jerkovic, 1970

Taxonomic discussion: Specimens with this morphology have been observed at many levels when preservation is good.

Geological Range:
Last occurrence (top): within Late Miocene Sub-Epoch (5.33-11.62Ma, top in Messinian stage). Data source: Original description
First occurrence (base): within Not set - Paleogene n/a (23.03-66.04Ma, base in Danian stage). Data source:

References:

Best, G. & Müller, C. (1972). Nannoplankton-Lagen im Unter-Miozan von Frankfurt am Main. Senckenbergiana Lethaea. 53(1-2): 103-117. gs

Bown, P. R. & Newsam, C. (2017). Calcareous nannofossils from the Eocene North Atlantic Ocean (IODP Expedition 342 Sites U1403–1411). Journal of Nannoplankton Research. 37(1): 25-60. gs V O

Bown, P. R. (2010). Calcareous nannofossils from the Paleocene/Eocene Thermal Maximum interval of southern Tanzania (TDP Site 14). Journal of Nannoplankton Research. 31(1): 11-38. gs V O

Bybell, L. M. & Self-Trail, J. (1995). Evolutionary, biostratigraphic and taxonomic study of calcareous nanofossils from a continuous Palaeocene-Eocene boundary section in New Jersey. U.S. Geological Survey, Professional Paper. 1554: 1-36. gs V O

Clocchiatti, M. & Jerkovic, L. (1970). Cruciplacolithus tenuiforatus, nouvelle espèce de coccolithophoridé du Miocène d'Algerie et de Yougoslavie. Cahiers de Micropaléontologie. ser 2, 2: 1-6. gs

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

Wise, S. W. (1983). Mesozoic and Cenozoic calcareous nannofossils recovered by DSDP Leg 71 in the Falkland Plateau region, Southwest Atlantic Ocean. Initial Reports of the Deep Sea Drilling Project. 71: 481-550. gs V O

Comments (1)

Page 1 of 1

Juan P. Pérez Panera (CONICET, Argentina)

Which will be the difference with Coccolithus staurion?

11th October 2016 11:03pm

Jeremy Young (UCL, UK)

This is not a very well worked out taxon but C. staurion has a more robust cross that nearly fills the c area and is clearly visible in LM. By contrast in C. tenuiforatus the cross is delicate and not really visible in LM.

11th October 2016 11:14pm

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Tags	LITHS: placolith, elliptical, CA: cross-axial, ca_disjunct, CSPH: equant, monomorphic, CROSS-POLARS: rim-bicyclic, V-prominent, R-prominent,
Metrics	Lith size: 5->10µm;

Coccolithus tenuiforatus

References:

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