Nannotax3 - ntax_cenozoic - Micrantholithus sp.

Micrantholithus sp.

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

Dunkley Jones et al 2009_pl12-fig19.jpg
Bown_2005_JNR_pl36-fig5.jpg
Bown_2005_JNR_pl36-fig6.jpg
Bown_2005_JNR_pl36-fig7.jpg
Bown_2005_JNR_pl36-fig8.jpg
Bown_2005_JNR_pl36-fig9.jpg
BramlSull61pl08-12.JPG
Young1998_micrantholithus.jpg

Taxonomy:

Citation: Micrantholithus sp.

Rank: generic level id

Distinguishing features:
Parent taxon (Micrantholithus): Pentaliths with sutures emerging through corners; edge often indented giving stellate outline
This taxon: Specimens which cannot be assigned to established species

Farinacci & Howe catalog pages:

Search data:

Tags	LITHS:
Metrics	Lith size: 0->0µm;

The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NN9 zone (9.53-10.55Ma, top in Tortonian stage). Data source: same as genus
First occurrence (base): within Berriasian Stage (139.39-145.01Ma, base in Berriasian stage). Data source: same as genus

Plot of occurrence data:

Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
Triangles indicate an event for which a precise placement has been suggested
Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
Taxon plotted: Micrantholithus sp., synonyms included - Micrantholithus (unspecified taxon or taxa); Micrantholithus cf. altus; Micrantholithus sp.; Micrantholithus sp. (fragments); Micrantholithus spp.; Micrantolithus/Pemma sp.;
See also space-time plot :: Samples map :: 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 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

Dunkley Jones, T., Bown, P. R. & Pearson, P. (2009). Exceptionally well preserved upper Eocene to lower Oligocene calcareous nannofossils (Prymnesiophycidae) from the Pande Formation (Kilwa Group), Tanzania. Journal of Systematic Palaeontology. 7(4): 359-411. gs

Young, J. R. (1998). Neogene. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 225-265. gs V O

Micrantholithus sp. compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 25-9-2021

Taxon Search:

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=871 Go to Archive.is to create a permanent copy of this page - citation notes

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