Nannotax3 - ntax_cenozoic - Discoaster sanmiguelensis

Discoaster sanmiguelensis

Classification: ntax_cenozoic -> Discoasterales -> Discoasteraceae -> Discoaster -> D. musicus group -> Discoaster sanmiguelensis
Sister taxa: D. sanmiguelensis, D. ulnatus, D. patulus ⟩⟨ D. musicus, D. carneyi ⟩⟨ D. virginianus, D. transitus, D. micros, D. arneyi, D. premicros

de Kaenel et al 2017 fig4-07.jpg
de Kaenel et al 2017 pl04 15 20.JPG

Taxonomy:

Citation: Discoaster sanmiguelensis Bukry 1981

Rank: species

Distinguishing features: A species of the D. sanmiguelensis group with parallel-sided rays and hexagonal central area periphery.

Farinacci & Howe catalog pages:

Search data:

Tags	LITHS: nannolith-radiate, star-shaped, CA: process, CROSS-POLARS: 1ou,
Metrics	Lith 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 NN7 zone (10.89-11.90Ma, top in Tortonian stage). Data source: de Kaenel et al 2017
First occurrence (base): within NN4 zone (14.91-17.95Ma, base in Burdigalian stage). Data source: de Kaenel et al 2017

Plot of occurrence data:

Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
Triangles indicate an event for which a precise placement has been suggested
(NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: D. musicus group

References:

Bukry, D. (1981b). Pacific coast coccolith stratigraphy between Point Conception and Cabo Orientes, Deep Sea Drilling Project Leg 63. Initial Reports of the Deep Sea Drilling Project. 63: 445-471. gs V O

de Kaenel, E., Bergen, J. A., Browning, E., Blair, S. A. & Boesiger, T. M. (2017). Uppermost Oligocene to Middle Miocene Discoaster and Catinaster taxonomy and stratigraphy in the circum North Atlantic Basin: Gulf of Mexico and ODP Leg 154. Journal of Nannoplankton Research. 37(2-3): 215-244. gs V O

Discoaster sanmiguelensis compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 22-1-2021

Taxon Search:

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=1583 Go to Archive.is to create a permanent copy of this page - citation notes

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