Chiphragmalithus armatus


Classification: Coccolithophores -> Zygodiscales -> Zygodiscaceae -> Chiphragmalithus -> Chiphragmalithus armatus
Sister taxa: C. acanthodes, C. armatus, C. barbatus, C. calathus, C. muzylevii, C. vandenberghei, C. sp.,

Distinguishing features: Narrowly elliptical Chiphragmalithus. Bars clearly higher then the rim.


Taxonomy:

Citation: Chiphragmalithus armatus Perch-Nielsen, 1971
Rank: Species

Farinacci & Howe catalog pages: Chiphragmalithus armatus *

Distinguishing features: Narrowly elliptical Chiphragmalithus. Bars clearly higher then the rim.

Search data:
TagsLITHS: murolith, elliptical, RIM: rim-high, outer wall acw-imbricate, rim-edge serrated, spine(s), CA: cross, cross-diagonal-symmetric,
CSPH: not known, V-UNITS: c-str, rim, R-UNITS: none, DETAILS: rim-unicyclic,
MetricsLith size: 8->12µm;
Sources: lith size from 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 NP12 zone (50.50-53.70Ma, top in Ypresian stage). Data source: Perch-Nielsen 1985b
First occurrence (base): within NP12 zone (50.50-53.70Ma, base in Ypresian stage). Data source: Perch-Nielsen 1985

Plot of occurrence data:

  • Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
  • Taxon plotted: Chiphragmalithus armatus, synonyms included - Chiphragmalithus armatus; Chiphragmolithus armatus; space-time plot :: Samples map :: Parent: Chiphragmalithus

    References:

    Perch-Nielsen, K., (1971). Elektronenmikroskopische untersuchungen an Coccolithen und verwandten Formen aus dem Eozan von Danemark. Biologiske Skrifter. Kongelige Danske Videnskabernes Selskab, 18(3): 1-76.

    Perch-Nielsen, K., (1985). Cenozoic calcareous nannofossils. In: Bolli, H.M., Saunders, J.B. and Perch-Nielsen, K. (Editors), Plankton Stratigraphy. Cambridge University Press, Cambridge, pp. 427-555.


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    Chiphragmalithus armatus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 13-12-2018

    Taxon Search:
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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=283Go to Archive.is to create a permanent copy of this page - citation notes



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