Bomolithus megastypus


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

Taxonomy:

Citation: Bomolithus megastypus (Bramlette & Sullivan, 1961) Bown, 2010
Rank: Species
Basionym: Discoasteroides megastypus (Bramlette & Sullivan, 1961
Synonyms: Discoaster megastypus (Bramlette & Sullivan, 1961) Perch-Nielsen, 1984

Distinguishing features: Medium to large rosette-shaped discoasteralid with prominent, narrow birefringent boss (equal to or less than half the lith diameter).

Farinacci & Howe catalog pages: D. megastypus *

Search data:
TagsLITHS: nannolith-radiate, circular, star-shaped, CROSS-POLARS: V-prominent, R-prominent,
MetricsLith size: 5->12µm;
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): within NP9 zone (55.86-57.21Ma, top in Ypresian stage). Data source: Perch-Nielsen 1985b
First occurrence (base): within NP7 zone (58.70-58.97Ma, base in Thanetian stage). Data source: Perch-Nielsen 1985

Plot of occurrence data:

References:

Bown, P. R. (2005d). Palaeogene calcareous nannofossils from the Kilwa and Lindi areas of coastal Tanzania (Tanzania Drilling Project 2003-4). Journal of Nannoplankton Research. 27(1): 21-95. gs V O

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

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

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. (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. (1984b). Validation of new combinations. INA Newsletter. 6(1): 42-46. 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


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Bomolithus megastypus 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=141 Go to Archive.is to create a permanent copy of this page - citation notes



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