Taxonomy:
Distinguishing features: stem-ridges extend to edge of central area - very short rays
Farinacci & Howe catalog pages: D. vinsonii *
Search data:Tags | LITHS: nannolith-radiate, star-shaped, CROSS-POLARS: 1ou, V-prominent, |
Metrics | Lith size: 0->0µm; |
Geological Range:
Last occurrence (top): in upper part of NN11 zone (80% up, 6.1Ma, in Messinian stage). Data source: Blair et al 2017
First occurrence (base): at base of NN11 zone (0% up, 8.3Ma, in Tortonian stage). Data source: Blair et al 2017
Plot of occurrence data:
Blair, S. A., Bergen, J. A., de Kaenel, E., Browning, E. & Boesiger, T. M. (2017). Upper Miocene-Lower Pliocene taxonomy and stratigraphy in the circum North Atlantic Basin: radiation and extinction of Amauroliths, Ceratoliths and the D. quinqueramus lineage. Journal of Nannoplankton Research. 37(2-3): 113-144. gs V OReferences:
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Discoaster vinsonii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 20-1-2021
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