Micrantholithus bramlettei


Classification: Coccolithophores -> Braarudosphaerales -> Braarudosphaeraceae -> Micrantholithus -> Micrantholithus bramlettei
Sister taxa: M. angulosus, M. astrum, M. attenuatus, M. bramlettei, M. breviradiatus, M. bulbosus, M. crenulatus, M. disculus, M. entaster, M. excelsus, M. flos, M. hebecuspis, M. minimus, M. mirabilis, M. pinguis, M. tinus, M. vesper, M. sp.,

Taxonomy:

Citation: Micrantholithus bramlettei Deflandre in Deflandre & Fert, 1954
Rank: Species

Distinguishing features: Stellate pentalith with pointed rays and double indented sides.

Farinacci & Howe catalog pages: Micrantholithus bramlettei *

Search data:
TagsLITHS: nannolith-radiate, star-shaped, RIM: free-rays-short, rim-edge serrated, PROCESS: distal-star,
CSPH: not known, T-UNITS: all,
MetricsLith size: 5->12µm; Segments: 5->5; Liths per sphere: 12->12
Sources: lith size (diameter) from OD & illustrated specimens; lith numbers assumed from geometry
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NP11 zone (53.70-54.17Ma, top in Ypresian stage). Data source: Bown 2005
First occurrence (base): within NP6 zone (58.97-59.54Ma, base in Selandian stage). Data source: [PRB rough estimate]

Plot of occurrence data:

  • (NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: Micrantholithus

    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

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

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

    Deflandre, G. & Fert, C. (1954). Observations sur les coccolithophoridés actuels et fossiles en microscopie ordinaire et électronique. Annales de Paléontologie. 40: 115-176. gs


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    Micrantholithus bramlettei compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 17-10-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=859 Go to Archive.is to create a permanent copy of this page - citation notes



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