Alisphaera ordinata


Classification: Coccolithophores -> Coccolith families inc sed -> Alisphaeraceae -> Alisphaera -> A. capulata group -> Alisphaera ordinata
Sister taxa: A. capulata, A. ordinata, A. quadrilatera,

Taxonomy:

Citation: Alisphaera ordinata (Kamptner 1941) Heimdal, 1973
Rank: Species
Basionym: Acanthoica ordinata Kamptner 1941

Distinguishing features: Flange extension a rounded sub-vertical wing extending the full length of the central area. Teeth well-developed.

Farinacci & Howe catalog pages: Acanthoica ordinata *


Size: Liths 1.1-2.3 µm long.

Search data:
TagsLITHS: placolith, asymmetric, elliptical, RIM: spine(s), CA: axial-slit, plate,
CSPH: oblate (broad), ovoid, spherical, monomorphic, V-UNITS: distal shield, R-UNITS: prox shield, px-plate, DETAILS: ca_conjunct,
MetricsLith size: 1.5->2µm; Coccosphere size: 6->8µm; Liths per sphere: 60->100
Sources: lith size from Kleijne et al. 2002 and slightly extended; csph size from illustrated specs; lith numbers from Yang & Wei 2003, range of estimates
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: A. capulata group

    References:

    Kamptner, E. (1941). Die Coccolithineen der Südwestküste von Istrien. Annalen des Naturhistorischen Museums in Wien. 51: 54-149. 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


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    Alisphaera ordinata compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 18-9-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=31 Go to Archive.is to create a permanent copy of this page - citation notes



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