Syracosphaera nana HOL


Classification: Coccolithophores -> Holococcoliths -> tubeless -> flat dimorphic -> Syracosphaera nana HOL
Sister taxa: S. nana HOL, S. strigilis HOL

Taxonomy:

Citation: Syracosphaera nana (Kamptner 1941) Okada & McIntyre, 1977 HOL
Rank: Species
Basionym: Pontosphaera nana Kamptner 1941
Synonyms:

Distinguishing features: BCs disk with double layer of irregularly arranged crystallites; CFCs with transverse ridge

Farinacci & Howe catalog pages:


Morphology:
BCs solid disk of two layers of crystallites, irregularly arranged except around rim.
CFCs similar to BCs but with elevated transverse ridge.


Biology & life-cycles: Combination coccospheres illustrated by Kleijne 1991 and Cros et al. 2000

See also: Syracosphaera nana ;

Search data:
TagsLITHS: holococcolith, elliptical, CA: closed,
CSPH: equant, elongated, CFC,
MetricsLith size: 0.9->1.5µm; Coccosphere size: 5->8µm; Liths per sphere: 90->120
Data source notes: morphom data from Cros & Fortuño (2002) & Kleijne 1991
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 stage). Data source: [JRY rough estimate]

Plot of occurrence data:

References:

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

Cros, L., Kleijne, A., Zeltner, A., Billard, C. & Young, J. R. (2000b). New examples of holococcolith-heterococcolith combination coccospheres and their implications for coccolithophorid biology. In, Young, J. R. , Thierstein, H. R. & Winter, A. (eds) Nannoplankton ecology and palaeocology, Proceedings of the INA7 conference, Puerto Rico, February 2002. Marine Micropaleontology. 39(1-4): 1-34. gs

Kamptner, E. (1941). Die Coccolithineen der Südwestküste von Istrien. Annalen des Naturhistorischen Museums in Wien. 51: 54-149. gs V O

Kleijne, A. (1991). Holococcolithophorids from the Indian Ocean, Red Sea, Mediterranean Sea and North Atlantic Ocean. Marine Micropaleontology. 17: 1-76. gs

Okada, H. & McIntyre, A. (1977). Modern coccolithophores of the Pacific and North Atlantic Oceans. Micropaleontology. 23(1): 1-55. 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, Special Issue. 1: 1-132. gs V O


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Syracosphaera nana HOL compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 24-10-2020

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=1375 Go to Archive.is to create a permanent copy of this page - citation notes



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