Taxonomy:
Distinguishing features:
Parent taxon (Calicasphaera): Chalice-shaped coccoliths. Monomorphic
This taxon: Liths circular, almost as high as wide, opening continuously from narrow base; proximal opening
Farinacci & Howe catalog pages: C. concava *
Size:
LITHS: holococcolith, circular, cylindrical, hollow, CA: vacant, CSPH: equant, monomorphic, CROSS-POLARS: R-prominent, |
Lith size: 1->1.5µm; Coccosphere size: 5->11µm; Liths per sphere: 30->65 Data source notes: morphom data from Yang & Wei (2003), Cros & Fortuño (2002) & Kleijne 1991 |
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:
Cros, L. & Fortuño, J. -M. (2002). Atlas of northwestern Mediterranean coccolithophores. Scientia Marina. 66: 1-186. gs Kleijne, A. (1991). Holococcolithophorids from the Indian Ocean, Red Sea, Mediterranean Sea and North Atlantic Ocean. Marine Micropaleontology. 17: 1-76. 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:
Calicasphaera concava compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 12-10-2024
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=211 Go to Archive.is to create a permanent copy of this page - citation notes |
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