Nannotax3 - ntax_cenozoic - Papposphaera sp. type 4 Nannotax3 - ntax_cenozoic - Papposphaera sp. type 4

Papposphaera sp. type 4


Classification: ntax_cenozoic -> Coccolith families inc sed -> Papposphaeraceae -> Papposphaera -> Papposphaera sp. type 4
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 sp. type 4 Cros & Fortuño, 2002
taxonomic rank: type

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 area with axial cross;
Process ca. 0.5-1.5 µm, robust with radiate calyx of four plates.
Varimorphic: process height varies continuously along coccosphere.

Farinacci & Howe catalog pages:


Size:
Coccosphere ca. 6 µm. Coccoliths 0.7-0.8 µm long;

Search data:
LITHS: murolith, elliptical, CA: cross-axial, ca_disjunct, process,
CSPH: equant, monomorphic,
Lith size: 0.7->0.8µm; Coccosphere size: 4->6µm; Liths per sphere: 40->60
Data source notes: csph & lith size (BC diameter) from Cros & Fortuño 2002 & slightly extended
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:

Cros, L. & Fortuño, J. -M. (2002). Atlas of northwestern Mediterranean coccolithophores. Scientia Marina. 66: 1-186. 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 sp. type 4 compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 20-4-2024

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=1025 Go to Archive.is to create a permanent copy of this page - citation notes
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Amos Winter(US)

Caribbean Sea