sp. aff. quattrospina HOL


Classification: Coccolithophores -> Holococcoliths -> tubeless -> fried egg monomorphic -> sp. aff. quattrospina HOL
Sister taxa: A. quattrospina HOL, s. aff. quattrospina HOL,

Distinguishing features: double humped central protrusion


Taxonomy:

Citation: sp. aff. quattrospina HOL Young et al., 2003
Rank: Form

Farinacci & Howe catalog pages:

Distinguishing features: double humped central protrusion


Morphology remarks: Undescribed species known from one specimen only. Like A. quattrospina sp. HOL solid basal disk with central cone, but cone double and with small perforations around base.

Search data:
TagsLITHS: holococcolith, H: cavate, conical, elliptical, RIM: flange-proximal, PROCESS: conical,
CSPH: spherical, monomorphic, DETAILS: ca_disjunct,
MetricsLith size: 1.8->2.2µm; Coccosphere size: 8->12µm;
Sources: lith and csph size from illustrated specimens
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 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: fried egg monomorphic

    References:

    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


    nannotaxlogo400px

    sp. aff. quattrospina HOL compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 20-5-2019

    Taxon Search:
    Advanced Search

    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=1262 Go to Archive.is to create a permanent copy of this page - citation notes



    Comments (0)

    No comments yet. Be the first!

    Add Comment

    * Required information
    1000
    Captcha Image
    Powered by Commentics