Syracosphaera arethusae HOL

Classification: ntax_cenozoic -> Holococcoliths -> bridged -> Homozygosphaera -> Syracosphaera arethusae HOL
Sister taxa: H. spinosa, H. triarcha, S. arethusae HOL, H. sp.


Citation: Syracosphaera arethusae (Kamptner 1941) Triantaphyllou et al. 2016 HOL
Rank: Species
Basionym: Corisphaera arethusae Kamptner 1941
Synonyms: Homozygosphaera arethusae HOL (Kamptner 1941) Kleijne 1991

Distinguishing features: BCs bridge smooth continuation of tube, wide and broad arch, broadens toward top, as high as lith is long. CFCs with slightly higher bridge.

Farinacci & Howe catalog pages: C. arethusae *

Size: BCs ca. 1.5 µm long

Biology & life-cycles: Two possible combination coccospheres with Syracosphaera sp. type D (now S. didyma ) were observed by Cros et al. (2000) but the association was considered unproven, so the traditional name was retained. Triantaphyllou et al. (2016) illustrated four further combination coccospheres amply confirming the association and we follow them in recommending that the name S. arethusae is used. Supraha et al. (2016) further confirmed his association and illustrated another comobination coccosphere.

See also: Syracosphaera arethusae - alternative life-cycle phase;

Search data:
TagsLITHS: holococcolith, elliptical, hollow, CA: bar,
CSPH: equant, monomorphic, CROSS-POLARS: V-prominent, R-prominent,
MetricsLith size: 1.2->2µm; Coccosphere size: 6->15µm; Liths per sphere: 50->100
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 "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 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

Supraha, L., Ljubesic, Z., Mihanovic, H. & Henderiks, J. (2016). Coccolithophore life-cycle dynamics in a coastal Mediterranean ecosystem: seasonality and species-specific patterns. Journal of Plankton Research. 38(5): 1178-1193. gs

Triantaphyllou, M. et al. (2016). Coccolithophore combination coccospheres from the NE Mediterranean Sea: new evidence and taxonomic revisions. Micropaleontology. 61(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

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


Syracosphaera arethusae HOL compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 13-4-2021

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