Nannotax3 - ntax_cenozoic - Papposphaera sagittifera Nannotax3 - ntax_cenozoic - Papposphaera sagittifera

Papposphaera sagittifera


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

Taxonomy:

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

Distinguishing features:
Parent taxon (Papposphaera): Coccolith distal rim serrated - elements pentagonal;
Coccosphere varimorphic, or dimorphic. All coccoliths have spines but CFCs typically have longer spines and larger calices.

This taxon: 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:
LITHS: murolith, elliptical, CA: ca_disjunct, grill, cross-axial, process,
CSPH: equant, CFC,
Lith 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. (1976). Arctic coccolithophorids: two species of Turrisphaera gen. nov. from West Greenland, Alaska, and the Northwest Passage. Proceedings of the Royal Society of London. 194: 179-194. gs

Manton, I., Sutherland, J. & McCully, M. (1976). 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

Norris, R. E. (1983). The family position of Papposphaera Tangen and Pappomonas Manton & Oates (Prymnesiophyceae) with records from the Indian Ocean. Phycologia. 22(2): 161-169. gs

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. (2016). Coccolithophores in Polar Waters: Papposphaera sagittifera HET and HOL revisited. Acta Protozoologica. 55: 33-50. 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. S1: 1-132. gs


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Papposphaera sagittifera compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 18-2-2025

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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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Dr Jelena Godrijan micrographs.