Distinguishing features:
Parent taxon (Gliscolithus): Bulb-shaped coccoliths with many openings in the bulb - gliscoliths. Monomorphic.
This taxon: BCs with two proximal flanges and numerous large openings.
Farinacci & Howe catalog pages:
Gliscolithus amitakareniae, G. amitakarenae *
| LITHS: holococcolith, elliptical, cylindrical, hollow, CA: pores, CSPH: equant, monomorphic, CROSS-POLARS: V-prominent, R-prominent, |
| Lith size: 2.4->4µm; Coccosphere size: 14->18µm; Liths per sphere: 30->50 Data source notes: lith size from OD; csph size from illustrated specimens |
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:
Plot of occurrence data:
Kleijne, A. (1991). Holococcolithophorids from the Indian Ocean, Red Sea, Mediterranean Sea and North Atlantic Ocean. Marine Micropaleontology. 17: 1-76. gs Malinverno, E., Triantaphyllou, M., Dimiza, M. D. & Young, J. R. (2008). New possible hetero- holococcolithophore combinations within the genus Syracosphaera. Journal of Nannoplankton Research. 30(1): 1-8. gs Norris, R. E. (1985). Indian Ocean nanoplankton. II. Holococcolithophorids (Calyptrosphaeraceae, Prymnesiophyceae) with a review of extant genera. Journal of Phycology. 21: 619-641. gs Penales, P. J. F., et al. (2025). Coccolithophore assemblage dynamics and Emiliania huxleyi morphological patterns during three sampling campaigns between 2017 and 2019 in the South Aegean Sea (Greece, NE Mediterranean). Geosciences. 15(268): 1-25. 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:

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Gliscolithus amitakareniae compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 15-7-2026
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=628 Go to Archive.is to create a permanent copy of this page - citation notes |
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