|Daughter taxa (time control age-window is: 0-800Ma)|
Large circular Coccolithus with narrow central area spanned by thin cross-bars.
Large subcircular Coccolithus with wide and vacant central area (< or = to the width of the shields).
Large circular Coccolithus with narrow central area.
Small (<5µm) circular Coccolithus coccoliths with narrow, open central area.
Small to medium sized sub-circular to circular Coccolithus with narrow central area
Distinguishing features: Circular to subcircular
Farinacci & Howe catalog pages:Search data:
|Metrics||Lith size: 3->12µm;|
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:
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