Discoaster istanbulensis


Classification: Coccolithophores -> Discoasterales -> Discoasteraceae -> Discoaster -> D. nodifer group -> Discoaster istanbulensis
Sister taxa: D. cruciformis, D. colletii, D. gemmifer, D. mediosus, D. binodosus, D. nodifer, D. distinctus, D. septemradiatus, D. tanii, D. tani ornatus, D. istanbulensis, D. martinii, D. williamsii, D. backmanii, D. okadai,

Taxonomy:

Citation: Discoaster istanbulensis Sadek & Ozer, 1981
Rank: Species
Notes & discussion: Appears to be a senior synonym of D. ornatus Bown 2005

Distinguishing features: Ornate 5-rayed discoaster

Farinacci & Howe catalog pages: Discoaster istanbulensis *

Search data:
TagsLITHS: nannolith-radiate, star-shaped, RIM: tips-bifurcate, free-rays-long, tips w lateral nodes,
CSPH: not known, V-UNITS: all, R-UNITS: none, DETAILS: 1ou,
MetricsLith size: 10->15µm; Segments: 5->5;
Sources: size from illustrated specs
The morphological data given here can be used on the advanced search page. See also these notes

See also: Discoaster ornatus;

Geological Range:
Last occurrence (top): within Eocene Epoch (33.89-55.96Ma, top in Priabonian stage). Data source: Sadek & Ozer 1981
First occurrence (base): within Eocene Epoch (33.89-55.96Ma, base in Ypresian stage). Data source: Sadek & Ozer 1981

Plot of occurrence data:

  • (NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: D. nodifer group

    References:

    Sadek, A. & Ozer, O. (1981). Two new discoasters from Turkey. Revista Espanola de MicropaleontologĂ­a. 13(1): 43-45. gs


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    Discoaster istanbulensis compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 22-8-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=472 Go to Archive.is to create a permanent copy of this page - citation notes



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