Daughter taxa (time control age-window is: 0-800Ma)![]() | Granddaughter taxa | ||||
| C. pelagicus group Elliptical to sub-circular with central opening-sometimes with bar or delicate cross | Coccolithus pelagicus Coccolithus miopelagicus Coccolithus tenuiforatus Coccolithus eopelagicus Coccolithus latus Coccolithus bownii Coccolithus crassus | ||||
| Coccolithus floralis Like typical Coccolithus pelagicus but with flaring tube on the distal side; Miocene | |||||
| C. formosus group Circular to subcircular | Coccolithus crucis Coccolithus foraminis Coccolithus formosus Coccolithus pauxillus Coccolithus subcirculus Coccolithus supremus | ||||
| C. biparteoperculatus group Central area filled by broad bar | |||||
| Coccolithus sp. Specimens which cannot be assigned to established species | |||||
Distinguishing features:
Parent taxon (Coccolithaceae): 2N: cells non-motile, bearing placoliths with R-unit extending from proximal shield to form upper/inner tube-cyle, mostly elliptical
N: cells motile, holococcolith-bearing
This taxon: Eliptical or circular; central area usually open, may have with simple bar or weak axial cross
Farinacci & Howe catalog pages:
Coccolithus * , Coccosphaera * , Coccolithophora * , Cyathosphaera * , Cyatolithus * , Crystallolithus * , Ectalithus *
| LITHS: placolith, elliptical, CSPH: equant, monomorphic, CROSS-POLARS: rim-bicyclic, V-prominent, R-prominent, |
| Lith size: 3->24µm; |
Geological Range:
Last occurrence (top): Extant. Data source: Total of ranges of the species in this database
First occurrence (base): within NP1 zone (65.47-66.04Ma, base in Danian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
Bown, P. R. (2005b). Cenozoic calcareous nannofossil biostratigraphy, ODP Leg 198 Site 1208 (Shatsky Rise, northwest Pacific Ocean). Proceedings of the Ocean Drilling Program, Scientific Results. 198: 1-44. gs Jordan, R. W., Cros, L. & Young, J. R. (2004). A revised classification scheme for living Haptophytes. Micropaleontology. 50(supplement 1): 55-79. gs Schiller, J. (1930). Coccolithineae. In, Rabenhorst, L. (ed.) Kryptogamen-Flora von Deutschland, Österreich und der Schweiz. Akademische Verlagsgesellschaft, Leipzig (10): 89-267. gs O Schwarz, E. H. L. (1894). Coccoliths. Annals and Magazine of Natural History. 14: 341-346. gs Wallich, G. C. (1877). Observations on the coccosphere. Annals and Magazine of Natural History. 19: 342-350. gs References:

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Coccolithus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 11-4-2026
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=316 Go to Archive.is to create a permanent copy of this page - citation notes |
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