Heliolithus riedelii


Classification: Coccolithophores -> Discoasterales -> Heliolithaceae -> Heliolithus -> Heliolithus riedelii
Sister taxa: H. aktasii, H. bukryi, H. cantabriae, H. kleinpellii, H. knoxii, H. riedelii, H. sp.,

Taxonomy:

Citation: Heliolithus riedelii Bramlette & Sullivan 1961
Rank: Species

Distinguishing features: Heliolith with two high, birefringent cycles, the narrower cycle is around two thirds of the width of the broader.

Farinacci & Howe catalog pages: H. riedeli *

Search data:
TagsLITHS: nannolith-radiate, circular, star-shaped, CROSS-POLARS: V-prominent, R-prominent,
MetricsLith size: 7->11µm;
Data source notes: size from OD & illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): in upper part of NP8 zone (70% up, 57.7Ma, in Thanetian stage). Data source: Varol, (1989, fig. 12.4)
First occurrence (base): at base of NP8 zone (0% up, 58.7Ma, in Thanetian stage). Data source: zonal marker (e.g. Perch-Nielsen 1985, Varol 1989)

Plot of occurrence data:

References:

Bramlette, M. N. & Sullivan, F. R. (1961). Coccolithophorids and related nannoplankton of the Early Tertiary in California. Micropaleontology. 7(2): 129-188. gs

Okada, H. & Thierstein, H. R. (1979). Calcareous nannoplankton - Leg 43, Deep Sea Drilling Project. Initial Reports of the Deep Sea Drilling Project. 43: 507-573. gs V O

Perch-Nielsen, K. (1971d). Neue Coccolithen aus dem Paläozän von Dänemark, der Bucht von Biskaya und dem Eozän der Labrador See. Bulletin of the Geological Society of Denmark. 21: 51-66. gs V O

Perch-Nielsen, K. (1985a). Cenozoic calcareous nannofossils. In, Bolli, H. M. , Saunders, J. B. & Perch-Nielsen, K. (eds) Plankton Stratigraphy. Cambridge University Press, Cambridge 427-555. gs

Pospichal, J. J. & Wise, S. W. (1990c). Paleocene to Middle Eocene calcareous nannofossils of ODP sites 689 and 690, Maud Rise, Weddell Sea. Proceedings of the Ocean Drilling Program, Scientific Results. 113: 613-638. gs V O

Varol, O. (1989c). Palaeocene calcareous nannofossil biostratigraphy. In, Crux, J. A. & van Heck, S. E. (eds) Nannofossils and their applications: Proceedings of the 2nd INA Conference, London 1987. British Micropalaeontological Society Publication Series. 265-310. gs V O

Wise, S. W. & Wind, F. H. (1977). Mesozoic and Cenozoic calcareous nannofossils recovered by DSDP Leg 36 drilling on the Falkland Plateau, south-west Atlantic sector of the Southern Ocean. Initial Reports of the Deep Sea Drilling Project. 36(269-491): -. gs V O


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Heliolithus riedelii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 1-10-2020

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=704 Go to Archive.is to create a permanent copy of this page - citation notes



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