Papposphaera sagittifera


Classification: ntax_cenozoic -> 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:
Taxonomic 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: T. borealis * , P. sagittifera *


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


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

See also: Papposphaera sagittifera HOL ;

Search data:
TagsLITHS: murolith, elliptical, CA: cross-axial, ca_disjunct, grill, process,
CSPH: equant, CFC,
MetricsLith size: 1.1->1.3µm; Coccosphere size: 5->8µm; Liths per sphere: 50->100
Data source notes: 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

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:

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 V O

Thomsen, H. A., Buck, K. R., Coale, S. L., Garrison, D. L. & Gowing, M. M. (1988). Nanoplanktonic coccolithophorids (Prymnesiophyceae, Haptophyceae) from the Weddell Sea, Antarctica. Nordic Journal of Botany. 8: 419-436. 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 V O

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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Papposphaera sagittifera compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 1-3-2021

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Short stable page link: https://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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