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