Nannotax3 - ntax_cenozoic - Alisphaera ordinata <title>Nannotax3 - ntax_cenozoic - Alisphaera ordinata

Alisphaera ordinata


Classification: ntax_cenozoic -> Coccolith families inc sed -> Alisphaeraceae -> Alisphaera -> Alisphaera ordinata
Sister taxa: A. capulata, A. ordinata, A. quadrilatera ⟩⟨ A. extenta, A. gaudii ⟩⟨ A. unicornis, A. bidentata, A. pinnigera, A. sp.

Taxonomy:

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

Distinguishing features:
Parent taxon (Alisphaera): Coccoliths placolith-like, with asymmetrical distal flange
This taxon: Flange extension a rounded sub-vertical wing extending the full length of the central area. Teeth well-developed.

Farinacci & Howe catalog pages: A. ordinata *


Morphology:


Size:
Liths 1.1-2.3 µm long.


Ecology & Biogeography


Biology & life-cycles

Phylogenetic relations

Search data:
LITHS: placolith, asymmetric, elliptical, CA: ca_conjunct, plate, vacant,
CSPH: equant, monomorphic, CROSS-POLARS: V-prominent, R-prominent,
Lith size: 1.5->2µm; Coccosphere size: 6->8µm; Liths per sphere: 60->100
Data source notes: 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 "Holocene" stage). Data source: [JRY rough estimate]

Plot of occurrence data:

References:

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

Okada, H. & McIntyre, A. (1977). Modern coccolithophores of the Pacific and North Atlantic Oceans. Micropaleontology. 23(1): 1-55. 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 V O


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Alisphaera ordinata compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 6-2-2023

Taxon Search:
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AphiaID: 235919 Nomenclatural data on WoRMS
Short stable page link: https://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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