Taxonomy:
Distinguishing features:
Parent taxon (Calciopappus): Circum-flagellar coccoliths modified into elongate spines, supported by whorl coccoliths
This taxon: BCs elliptical (0.5-1.2 µm) with open central area, whorl coccoliths with 2 projections, spine coccoliths curved, no CFCs
Farinacci & Howe catalog pages: Calciopappus curvus
Morphology:
BCs - with open central area.
Whorl coccoliths - with two short spike-like projections;
Spine coccoliths - thin and distinctly curved.
Ecology & Biogeography
LITHS: murolith, elliptical, CA: vacant, CSPH: tubular, elongated, appendages, CFC, XC, |
Lith size: 0.7->1.2µm; Coccosphere size: 5->8µm; Liths per sphere: 70->100 Data source notes: Archontikis et al. 2023 |
Geological Range:
Last occurrence (top): Extant. Data source: present in the plankton (Young et al. 2003)
First occurrence (base): within No known fossil record modern (0.00-0.00Ma, base in "Holocene" stage). Data source: [JRY rough estimate]
Plot of occurrence data:
Archontikis, O. A. et al. (2023b). Taxonomy and morphology of Calciopappus curvus sp. nov. (Syracosphaeraceae, Prymnesiophyceae), a novel appendage-bearing coccolithophore. Protist. 174(125983): 1-16. gs Cros, L. & Fortuño, J. -M. (2002). Atlas of northwestern Mediterranean coccolithophores. Scientia Marina. 66: 1-186. gs Young, J. R., Geisen, M., Cros, L., Kleijne, A., Probert, I. & Ostergaard, J. B. (2003). A guide to extant coccolithophore taxonomy. Journal of Nannoplankton Research. S1: 1-132. gs References:
Calciopappus curvus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 9-9-2024
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=199 Go to Archive.is to create a permanent copy of this page - citation notes |
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