Cyclagelosphaera margerelii


Classification: ntax_cenozoic -> Mesozoic Survivors -> Watznaueriaceae -> Cyclagelosphaera -> Cyclagelosphaera margerelii
Sister taxa: C. alta, C. margerelii, C. reinhardtii, C. rotaclypeata, C. sp.

Taxonomy:

Citation: Cyclagelosphaera margereliii Noël, 1965
Rank: Species

Distinguishing features: Small to medium sized Cyclagelosphaera with closed central area.

Farinacci & Howe catalog pages: C. margereli *

Search data:
TagsLITHS: placolith, circular, CA: ca_conjunct, closed,
CSPH: equant, monomorphic, CROSS-POLARS: rim-unicyclic, R-prominent,
MetricsLith size: 4->8µm; Coccosphere size: 13->17µm; Liths per sphere: 11->13
Data source notes: morphom data from illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Paleocene Epoch (55.96-66.04Ma, top in Thanetian stage). Data source: Bown & Cooper 1998
First occurrence (base): within NJ11 zone (166.40-168.67Ma, base in Bajocian stage). Data source: Bown & Cooper 1998

Plot of occurrence data:

References:

Mai, H. (2001). New coccolithophorid taxa fom the Guelhemmerberg airshaft. Lower Paleocene, The Netherlands. Micropaleontology. 47: 144-154. gs

Mai, H., von Salis, K., Willems, H. & Romein, A. J. T. (1997a). Fossil coccospheres from the K/T boundary section from Geulhemmerberg, The Netherlands. Micropaleontology. 43(281-302): -. gs

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Cyclagelosphaera margerelii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 27-2-2021

Taxon Search:
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