Coccolithus

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Cenozoic Taxa

Coccolithus staurion Bramlette & Sullivan, 1961

Coccolithus staurion Bramlette & Sullivan, 1961

Description: Large to very large (7-15 µm) Coccolithus with a narrow central area and axial cross bars.

Remarks:

Synonym:
Ericsonia insolita Perch-Nielsen, 1971.

Geological Time Data
Geological Time Periods: 
Biblio Reference: 
Varol, O.  1998.  Palaeogene. Calcareous nannofossil biostratigraphy. :200-224.

Coccolithus mutatus (Perch-Nielsen, 1971) Bown, 2005

Coccolithus mutatus (Perch-Nielsen, 1971) Bown, 2005

Description: Very large (>14 µm) Coccolithus with wide central area and narrow, axial to slightly rotated cross bars.

Remarks:

Geological Time Data
Geological Time Periods: 
Biblio Reference: 
Varol, O.  1998.  Palaeogene. Calcareous nannofossil biostratigraphy. :200-224.

Coccolithus latus Bown, 2005

Coccolithus latus Bown, 2005

Description: Medium to large elliptical Coccolithus with wide (> width of the shields) vacant central area.

Remarks:

Holotype: Paratype:

Coccolithus latus pl3-33.JPGCoccolithus latus pl3-32.JPG Coccolithus latus pl3-34.JPGCoccolithus latus pl3-35.JPG

Geological Time Data
Geological Time Periods: 
Biblio Reference: 
Varol, O.  1998.  Palaeogene. Calcareous nannofossil biostratigraphy. :200-224.
Notes on occurrence information: 
Described from NP11

Coccolithus formosus (Kamptner, 1963) Wise 1973

Coccolithus formosus (Kamptner, 1963) Wise 1973

Description: Large circular Coccolithus with narrow central area.

Remarks:

Geological Time Data
Geological Time Periods: 
Biblio Reference: 
Varol, O.  1998.  Palaeogene. Calcareous nannofossil biostratigraphy. :200-224.

Coccolithus foraminis Bown, 2005

Coccolithus foraminis Bown, 2005

Description: Large subcircular Coccolithus with wide and vacant central area (< or = to the width of the shields).

Remarks:

Holotype: Paratype:

Coccolithus foraminis pl3-27.JPGCoccolithus foraminis pl3-26.JPG Coccolithus foraminis pl3-29.JPGCoccolithus foraminis pl3-30.JPG

Geological Time Data
Geological Time Periods: 
Biblio Reference: 
Varol, O.  1998.  Palaeogene. Calcareous nannofossil biostratigraphy. :200-224.
Notes on occurrence information: 
Described from NP10

Coccolithus eopelagicus (Bramlette & Riedel, 1954) Bramlette & Sullivan, 1961

Coccolithus eopelagicus (Bramlette & Riedel, 1954) Bramlette & Sullivan, 1961

Description: Like C. pelagicus but very large (>14 µm).

Remarks:

Geological Time Data
Geological Time Periods: 
Biblio Reference: 
Varol, O.  1998.  Palaeogene. Calcareous nannofossil biostratigraphy. :200-224.
Notes on occurrence information: 
Questions occur about the end of this species' range

Coccolithus crucis Bown, 2005

Coccolithus crucis Bown, 2005

Description: Large circular Coccolithus with narrow central area spanned by thin cross-bars.

Remarks:

Holotype: Paratype:

Coccolithus crucis pl3-21.JPGCoccolithus crucis pl3-22.JPG Coccolithus crucis pl3-23.JPG

Geological Time Data
Geological Time Periods: 
Biblio Reference: 
Varol, O.  1998.  Palaeogene. Calcareous nannofossil biostratigraphy. :200-224.

Coccolithus cachaoi Bown, 2005

Coccolithus cachaoi Bown, 2005

Description: Medium to large elliptical Coccolithus with narrow central area filled or almost filled by a broad transverse disjunct bar.

Remarks:

Holotype: Paratype:

 Coccolithus cachaoi pl3-8.JPGCoccolithus cachaoi pl3-9.JPG Coccolithus cachaoi pl3-10.JPG

Geological Time Data
Geological Time Periods: 
Biblio Reference: 
Varol, O.  1998.  Palaeogene. Calcareous nannofossil biostratigraphy. :200-224.

Coccolithus bownii Jiang and Wise, 2007

Coccolithus bownii Jiang and Wise, 2007

Description: Medium to large broadly elliptical to subcircular Coccolithus
with a broad, open, central-area.

Remarks:

Geological Time Data
Geological Time Periods: 
Biblio Reference: 
Varol, O.  1998.  Palaeogene. Calcareous nannofossil biostratigraphy. :200-224.
Notes on occurrence information: 
(PETM interval?)

Clausicoccus Prins, 1979

Clausicoccus Prins, 1979

Description: Coccolith rim structure similar to that of Coccolithus, but with a perforate plate covering the central area on the distal side. Centro-distal cycle (bright in XPL) may be narrow or reduced.

Remarks:

Type species: Clausicoccus fenestratus (Deflandre & Fert, 1954) Prins, 1979. [Discolithus]

Geological Time Data
Geological Time Periods: 
Biblio Reference: 
Perch-Nielsen, K.  1985.  Cenozoic calcareous nannofossils. Plankton Stratigraphy. 1. Planktic foraminifera, calcareous nannofossils and calpionellids:427-554.
Notes on occurrence information: 
Predominantly Paleogene genus, but C. fenestratus continues into the Miocene
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