Poritectolithus poritectus


Classification: ntax_cenozoic -> Holococcoliths -> bridged -> Poritectolithus -> Poritectolithus poritectus
Sister taxa: P. maximus, P. poritectus, P. tyronus, P. sp.

Taxonomy:

Citation: Poritectolithus poritectus (Heimdal in Heimdal & Gaarder 1980) Kleijne, 1991
Rank: Species
Basionym: Helladosphaera poritectum Heimdal in Heimdal & Gaarder 1980

Distinguishing features: BCs tube about 4 crystallites high with basal flange. Bridge modified into long mound ex.
CFCs tube raised at sides; well-developed leaf.

Farinacci & Howe catalog pages: H. poritectum *

Search data:
TagsLITHS: holococcolith, elliptical, hollow, CA: bar, closed,
CSPH: equant, elongated, CFC, CROSS-POLARS: V-prominent, R-prominent,
MetricsLith size: 1.3->1.8µm; Coccosphere size: 8->10µm; Liths per sphere: 55->75
Data source notes: morphom data from Cros & Fortuño (2002) & Kleijne 1991
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 V O

Heimdal, B. R. & Gaarder, K. R. (1980). Coccolithophorids from the northern part of the eastern central Atlantic I. Holococcolithophorids. “Meteor” Forschungsergebnisse, Reihe D, Biologie. 32: 1-14. gs

Skejic, S. et al. (2018). Coccolithophore diversity in open waters of the middle Adriatic Sea in pre- T and post-winter periods. Marine Micropaleontology. 143(1): 30-45. 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, Special Issue. 1: 1-132. gs V O


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Poritectolithus poritectus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 13-4-2021

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=1114 Go to Archive.is to create a permanent copy of this page - citation notes



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