Bomolithus elegans


Classification: Coccolithophores -> Discoasterales -> Heliolithaceae -> Bomolithus -> Bomolithus elegans
Sister taxa: B. aquilus, B. bramlettei, B. conicus, B. elegans, B. megastypus, B. supremus, B. sp.

Taxonomy:

Citation: Bomolithus elegans Roth, 1973
Rank: Species
Synonyms: Heliolithus elegans (Roth, 1973)

Distinguishing features: Medium to large rosette-shaped discoasteralid with prominent, broad birefringent cycle (greater than half the lith diameter).

Farinacci & Howe catalog pages: B. elegans *


Morphology: Often seen in side view

Size: 7.5–12.0μm - according to Bown (2016)

Search data:
TagsLITHS: nannolith-radiate, circular, star-shaped, CROSS-POLARS: V-prominent, R-prominent,
MetricsLith size: 7->12µm;
Data source notes: size from Bown (2016), Romein (1979)
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): in lower part of NP8 zone (20% up, 58.4Ma, in Thanetian stage). Data source: Varol, (1989, fig. 12.4)
First occurrence (base): within NP5 zone (59.54-61.51Ma, base in Selandian stage). Data source: Perch-Nielsen 1985

Plot of occurrence data:

References:

Bown, P. R. (2010). Calcareous nannofossils from the Paleocene/Eocene Thermal Maximum interval of southern Tanzania (TDP Site 14). Journal of Nannoplankton Research. 31(1): 11-38. gs V O

Bown, P. R. (2016). Paleocene calcareous nannofossils from Tanzania (TDP sites 19, 27 and 38). Journal of Nannoplankton Research. 36(1): 1-32. gs V O

Perch-Nielsen, K. (1977a). Albian to Pleistocene calcareous nannofossils from the Western South Atlantic, DSDP Leg 39. Initial Reports of the Deep Sea Drilling Project. 39: 699-823. 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

Roth, P. H. (1973). Calcareous nannofossils: Leg 17 of the Deep Sea Drilling Project. Initial Reports of the Deep Sea Drilling Project. 17: 695-795. 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


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Bomolithus elegans compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 25-10-2020

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=140 Go to Archive.is to create a permanent copy of this page - citation notes



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