Nannotax3 - ntax_cenozoic - Flosculosphaera Nannotax3 - ntax_cenozoic - Flosculosphaera


Classification: ntax_cenozoic -> Holococcoliths -> convex -> Flosculosphaera
Sister taxa: C. sphaeroidea HOL, S. pulchra HOL oblonga type, S. pulchra HOL pirus type, S. pulchra HOL galea type, C. divergens ⟩⟨ C. heimdaliae, C. lluisae, C. radiata, Flosculosphaera, Gliscolithus

Daughter taxa (time control age-window is: 0-800Ma)
Flosculosphaera calceolariopsis
Liths 3-4 µm tall, with two proximal flanges.
Flosculosphaera sacculus
Liths ca. 3 µm tall, with one proximal flange.


Citation: Flosculosphaera Jordan & Kleijne in Kleijne et al. 1991
Rank: Genus
Type species: Flosculosphaera calceolariopsis Jordan & Kleijne in Kleijne et al., 1991

Distinguishing features:
Parent taxon (convex): Holococcoliths with tube, covered distally by a convex cover
This taxon: Flaring tube-shaped coccoliths with distal cover - flosculoliths. Monomorphic.

Farinacci & Howe catalog pages: Flosculosphaera *

Search data:
LITHS: holococcolith, elliptical, cylindrical, hollow, CA: closed,
CSPH: equant, monomorphic, CROSS-POLARS: V-prominent, R-prominent,
Lith size: 2->4.2µm; Coccosphere size: 16->24µm;
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): Extant. Data source: Total of range of species in this database
First occurrence (base): at top of No known fossil record modern (100% up, 0Ma, in "Holocene" stage). Data source: Total of range of species in this database

Plot of occurrence data:


Kleijne, A., Jordan, R. W. & Chamberlain, A. H. L. (1991). Flosculosphaera calceolariopsis gen. et sp. nov. and F. sacculus sp. nov., new coccolithophorids (Prymnesiophyceae) from the NE Atlantic. British Phycological Journal. 26: 185-194. gs V O


Flosculosphaera compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 2-4-2023

Taxon Search:
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AphiaID: 236099 Nomenclatural data on WoRMS
Short stables page link: Go to to create a permanent copy of this page - citation notes

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