Papposphaera sagittifera


Classification: Coccolithophores -> Coccolith families inc sed -> Papposphaeraceae -> Papposphaera -> Papposphaera sagittifera
Sister taxa: P. lepida, P. obpyramidalis, P. simplicissima, P. sagittifera, P. sarion, P. arctica, P. iugifera, P. heldalii, P. bourrellii, P. thomsenii, P. sp. type 1, P. sp. type 2, P. sp. type 3, P. sp. type 4, P. sp. type 5, P. sp. type 6, P. sp.,

Taxonomy:

Citation: Papposphaera sagittifera Manton Sutherland & McCully 1976
Rank: Species
Synonyms:
Notes & discussion: This species is described and discussed in depth by Thomsen et al. (2016)

Distinguishing features: Central areas with axial cross and 2-4 additional longitudinal bars;
Process 2-4 µm high with small calyx of 4 radially diverging blades.

Farinacci & Howe catalog pages: Turrisphaera borealis * , Papposphaera sagittifera * ,


Size: Cell, 4-8 µm. Coccoliths, 1.5-2 µm long;

Biology & life-cycles: HOL = Turrisphaera borealis, see Thomsen et al. (1991).

Search data:
TagsLITHS: murolith, elliptical, RIM: outer wall non-imbricate, rim-narrow, rim-top crenulate, CA: cross, cross-axial, grill, PROCESS: calyx, spine,
CSPH: oblate (broad), ovoid, spherical, CFC, CFC+process, polymorphic, DETAILS: ca_disjunct,
MetricsLith size: 1.1->1.3µm; Coccosphere size: 5->8µm; Liths per sphere: 50->100
Sources: csph & lith size (BC diameter) from Thomsen et al. 2016; lith numbers from Yang & Wei 2003, range inferred from single estimate
The morphological data given here can be used on the advanced search page. See also these notes

See also: Papposphaera sagittifera HOL ;

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:

  • (NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: Papposphaera

    References:

    Manton, I., Sutherland, J. & Oates, K. (1976b). Arctic coccolithophorids: two species of Turrisphaera gen. nov. from West Greenland, Alaska, and the Northwest Passage. Proceedings of the Royal Society of London. Series B: Biological Sciences. 194: 179-194. gs

    Manton, I., Sutherland, J. & McCully, M. (1976a). Fine structural observations on coccolithophorids from South Alaska in the genera Papposphaera Tangen and Pappomonas Manton and Oates. British Phycological Journal. 11: 225-234. gs

    Thomsen, H. A., Ostergaard, J. B. & Hansen, L. E. (1991). Heteromorphic life histories in Arctic coccolithophorids (Prymnesiophyceae). Journal of Phycology. 27: 634-642. gs

    Thomsen, H. A., Ostergaard, J. B. & Heldal, M. (2016e). Coccolithophores in Polar Waters: Papposphaera sagittifera HET and HOL revisited. Acta Protozoologica. 55: 33-50. gs


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    Papposphaera sagittifera compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 22-7-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=1015 Go to Archive.is to create a permanent copy of this page - citation notes



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