Micrantholithus angulosus


Classification: Coccolithophores -> Braarudosphaerales -> Braarudosphaeraceae -> Micrantholithus -> Micrantholithus angulosus
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 angulosus Stradner & Papp 1961
Rank: Species
Basionym: Micrantholithus flos angulosus Stradner 1959

Distinguishing features: Arms end in a trilobate termination. most specimens thin with narrow arms.

Farinacci & Howe catalog pages: Micrantholithus angulosus [no catalog entry yet]

Search data:
TagsLITHS: nannolith-radiate, star-shaped, RIM: free-rays-short, tips-trifurcate,
CSPH: not known, T-UNITS: all,
MetricsLith size: 9->13µm; 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 Late Eocene Sub-Epoch (33.89-37.75Ma, top in Priabonian stage). Data source: Bybell & Gartner 1972
First occurrence (base): within Middle Eocene Sub-Epoch (37.75-47.84Ma, base in Lutetian stage). Data source: Bybell & Gartner 1972

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:

    Bybell, L. M. & Gartner, S. (1972). Provincialism among mid-Eocene calcareous nannofossils. Micropaleontology. 18(319-336): -. gs

    Bybell, L. (1975). Middle Eocene calcareous nannofossils at Little Stave Creek, Alabama. Tulane Studies in Geology and Paleontology. 11(4): 177-247. gs

    Stradner, H. & Papp, A. (1961). Tertiäre Discoasteriden aus Österreich und deren stratigraphische Bedeutung mit Hinweisen auf Mexico, Rumanien und Italien. Jahrbuch der Geologischen Bundesanstalt (Wien); Special Volume. 7: 1-159. gs


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    Micrantholithus angulosus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 15-12-2019

    Taxon Search:
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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=856 Go to Archive.is to create a permanent copy of this page - citation notes



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