Nannotax3 - ntax_main - Calyptrosphaera heimdaliae Nannotax3 - ntax_main - Calyptrosphaera heimdaliae

Calyptrosphaera heimdaliae


Classification: ntax_main -> Holococcoliths -> convex -> Calyptrosphaera heimdaliae
Sister taxa: C. sphaeroidea HOL, S. pulchra HOL oblonga type, S. pulchra HOL pirus type, S. pulchra HOL galea type, C. divergens, C. lluisae ⟩⟨ C. heimdaliae, Flosculosphaera, Gliscolithus ⟩⟨ C. radiata, C. sp. strain RCC1181


Taxonomy:
Citation: Calyptrosphaera heimdaliae Norris, 1985
Taxonomic rank: species
Synonyms:

Distinguishing features:
Parent taxon (convex): Holococcoliths with tube, covered distally by a convex cover
This taxon: Tube and cover sharply separated; cover elevated with large openings at base and an apical perforation

Farinacci & Howe catalog pages:
C. heimdalae *


Morphology:
Liths pointed domes, hexagonal mesh fabric; large openings above tube, and often a circular apical opening.

Size:
Liths about 2 µm high.

Biology & life-cycles
Possible combination coccosphere with Cyrtosphaera aculeata illustrated by Triantaphyllou et al. 2016

See also: Cyrtosphaera aculeata ;

Search data:
LITHS: holococcolith, elliptical, hollow, CA: pores, process, closed,
CSPH: equant, monomorphic, CROSS-POLARS: V-prominent, R-prominent,
Lith size: 2->3.2µm; Coccosphere size: 10->11µm; Liths per sphere: 30->44
Data source notes: morphom data from Cros & Fortuño (2002)
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: 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:

References:

Cros, L. & Fortuño, J. -M. (2002). Atlas of northwestern Mediterranean coccolithophores. Scientia Marina. 66: 1-186. 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

Okada, H. & McIntyre, A. (1977). Modern coccolithophores of the Pacific and North Atlantic Oceans. Micropaleontology. 23(1): 1-55. gs

Triantaphyllou, M., et al. (2016). Coccolithophore combination coccospheres from the NE Mediterranean Sea: new evidence and taxonomic revisions. Micropaleontology. 61 [2015](6): 457-472. gs

Winter, A., Reiss, Z. & Luz, B. (1979). Distribution of living coccolithophore assemblages in the Gulf of Elat ('Aqaba). Marine Micropaleontology. 4: 197-223. gs

Yang, T. -N., Wei, K. & Wu, J. -T. (2012). Marine coccolithophores around Taiwan. Biodiversity Research Center, Academica Sinica, Taipei. 1-96. 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


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Calyptrosphaera heimdaliae compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 15-7-2026

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=220 Go to Archive.is to create a permanent copy of this page - citation notes



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