Discoaster extensus


Classification: Coccolithophores -> Discoasterales -> Discoasteraceae -> Discoaster -> D. exilis group -> Discoaster extensus
Sister taxa: D. exilis, D. cauliflorus, D. moorei, D. extensus, D. discissus ⟩⟨ D. bollii ⟩⟨ D. petaliformis, D. signus, D. apetalus

Taxonomy:

Citation: Discoaster extensus Bramlette & Wilcoxon 1967
Rank: species

Distinguishing features: Ray bifurcations curve proximally

Farinacci & Howe catalog pages:

Search data:
TagsLITHS: nannolith-radiate, star-shaped, CROSS-POLARS: 1ou, V-prominent,
MetricsLith size: 0->0µm;
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NN11 zone (5.59-8.29Ma, top in Messinian stage). Data source: Browning et al 2017
First occurrence (base): within NN4 zone (14.91-17.95Ma, base in Burdigalian stage). Data source: Browning et al 2017

Plot of occurrence data:

References:

Bramlette, M. N. & Wilcoxon, J. A. (1967a). Discoaster druggi nom. nov. pro Discoaster extensus Bramlette and Wilcoxon, 1967, non Hay, 1967. Tulane Studies in Geology and Paleontology. 5: 220-. gs V O

Browning, E., Bergen, J. A., Blair, S. A., Boesiger, T. M. & de Kaenel, E. (2017). Late Miocene to Late Pliocene taxonomy and stratigraphy of the genus Discoaster in the circum North Atlantic Basin: Gulf of Mexico and ODP Leg 154. Journal of Nannoplankton Research. 37(2-3): 189-214. gs V O


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Discoaster extensus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 22-10-2020

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=1602 Go to Archive.is to create a permanent copy of this page - citation notes



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