Calciosolenia corsellii


Ancestry: Coccolithophores -> Syracosphaerales -> Calciosoleniaceae -> Calciosolenia -> Calciosolenia corsellii
Sister taxa: C. alternans, C. aperta, C. brasiliensis, C. corsellii, C. murrayi, C. sp.,

Short diagnosis: Coccosphere without spines, coccoliths 3-4µm long, with spurs at the ends


Taxonomy:

Citation: Calciosolenia corsellii Malinverno, 2004
Rank: Species
Notes & discussion: This species has probably often been included in C. brasiliensis

Farinacci & Howe catalog pages:

Short diagnosis: Coccosphere without spines, coccoliths 3-4µm long, with spurs at the ends


Morphology remarks: Coccosphere similar to C. brasiliensis but coccoliths more like those of C. murrayi in size (3-4µm long), number of laths, and in presence of spurs at the ends of the coccoliths.
For identification note that the liths usually are similar in size to an E. huxleyi coccolith and have separated laths.

Size: Liths 3-4µm long

Ecology & Biogeography: Described from the Mediterranean but also certainly occurs in the Atlantic (Young unpubl. obs.) and probably globally

Geological Range:
Last occurrence (top): Extant Data source: present in the plankton (Young et al. 2003)
First occurrence (base): within Quaternary Period (0.00-2.59Ma, base in Gelasian stage). Data source: [JRY rough estimate]

Plot of occurrence data:

References:

Malinverno, E., (2004). Morphological variability within the genus Calciosolenia (coccolithophorids) from the eastern Mediterranean Sea. Micropaleontology, 50(supl. 1): 81-91.


Nannotax3 - Coccolithophores - Calciosolenia corsellii by: Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 28-3-2017

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AphiaID: 619026 Nomenclatural data on WoRMS

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Ines Galovic (Croatia)
In our article smaller forms (fig. 15-16) are also presented with spurs which is a consequence of warm and oligotroph water. Larger specimens without spurs are more characreristic for transition (of climate, current mixing, water exchanges, flooding, more nearshore influences, seasonality...)
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