Discoaster decorus


Classification: Coccolithophores -> Discoasterales -> Discoasteraceae -> Discoaster -> D. variabilis group -> Discoaster decorus
Sister taxa: D. surculus, D. toralus, D. pseudovariabilis, D. subsurculus, D. variabilis, D. icarus, D. pansus, D. pansulus, D. decorus, D. loeblichii, D. mendomobensis,

Taxonomy:

Citation: Discoaster decorus (Bukry 1971) Bukry 1973
Rank: Species
Basionym: Discoaster variabilis ssp.decorus Bukry 1971

Distinguishing features: Like D. variabilis but with narrow bifurcations

Farinacci & Howe catalog pages: Discoaster variabilis decorus *

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

Geological Range:
Last occurrence (top): within NN15 zone (3.70-3.92Ma, top in Zanclean stage). Data source: Browning et al. 2017
First occurrence (base): within NN6 zone (11.90-13.53Ma, base in Serravallian stage). Data source: Browning et al. 2017

Plot of occurrence data:

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

    References:

    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

    Bukry, D. (1971a). Discoaster evolutionary trends. Micropaleontology. 17: 43-52. gs

    Bukry, D. (1973a). Coccolith stratigraphy, eastern equatorial Pacific, Leg 16, Deep Sea Drilling Project. Initial Reports of the Deep Sea Drilling Project. 16: 653-711. gs

    Theodoridis, S. (1984). Calcareous nannofossil biostratigraphy of the Miocene and revision of the helicoliths and discoasters. Utrecht Micropaleontological Bulletin. 32: 1-271. gs

    Young, J. R. (1998). Neogene. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 225-265. gs


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    Discoaster decorus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 23-2-2020

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=1651 Go to Archive.is to create a permanent copy of this page - citation notes



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