C. formosus group

Daughter taxa (time control age-window is: 0-800Ma)
				Coccolithus crucis Large circular Coccolithus with narrow central area spanned by thin cross-bars.
				Coccolithus foraminis Large subcircular Coccolithus with wide and vacant central area (< or = to the width of the shields).
				Coccolithus formosus Large circular Coccolithus with narrow central area.
				Coccolithus pauxillus Small (<5µm) circular Coccolithus coccoliths with narrow, open central area.
				Coccolithus subcirculus Small to medium sized sub-circular to circular Coccolithus with narrow central area

Taxonomy:

Distinguishing features: Circular to subcircular

Farinacci & Howe catalog pages:

Geological Range:
Last occurrence (top): in lower part of Rupelian Stage (17% up, 32.9Ma, in Rupelian stage). Data source: Total of range of species in this database
First occurrence (base): at base of Selandian Stage (4% up, 61.5Ma, in Selandian stage). Data source: Total of range of species in this database

Plot of occurrence data:

• Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
• Triangles indicate an event for which a precise placement has been suggested
• Neptune data: this is a higher taxon page so Neptune data is not plotted. For the customisable plot option go to a genus page Parent: Coccolithus

C. formosus group compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 1-3-2021 Taxon Search: Advanced Search Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=166 Go to Archive.is to create a permanent copy of this page - citation notes

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