Reticulofenestra rotaria


Classification: Coccolithophores -> Isochrysidales -> Noelaerhabdaceae -> Reticulofenestra -> R. pseudoumbilicus group -> Reticulofenestra rotaria
Sister taxa: R. calicis, R. pseudoumbilicus, R. haqii, R. minuta, R. minutula, R. asanoi, R. kahniae, R. rotaria, R. pospichalii,

Taxonomy:

Citation: Reticulofenestra rotaria Theodoridis, 1984
Rank: Species
Notes & discussion: Very similar to R. kahniae but with a well-separated stratigraphic range.

Distinguishing features: Coccoliths circular, with wide central-area, 5-7µm; NN11

Farinacci & Howe catalog pages: Reticulofenestra rotaria *


Morphology remarks: This form is never abundant but it is very distinctive.

Search data:
TagsLITHS: placolith, circular, CA: grill, vacant,
CSPH: spherical, monomorphic, V-UNITS: none, R-UNITS: all, c-str, distal shield, prox shield, tube, DETAILS: ca_conjunct, isogyres kinked, isogyres oblique, rim-unicyclic,
MetricsLith size: 5->8µm;
Sources:
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Notes: Short interval within NN11c.
Last occurrence (top): within NN11c subzone (5.94-6.91Ma, top in Messinian stage). Data source: Young 1998
First occurrence (base): within NN11c subzone (5.94-6.91Ma, base in Messinian stage). Data source: Young 1998

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
  • Note to users in China - the diagram may not plot unless you use a VPN since I use google services on the website. If this is a problem please contact me 谢谢.
  • Taxon plotted: Reticulofenestra rotaria, synonyms included - Reticulofenestra pseudoumbilicus var. rotaria; Reticulofenestra rotaria;
  • space-time plot :: Samples map :: Parent: R. pseudoumbilicus group

    References:

    Theodoridis, S. (1984). Calcareous nannofossil biostratigraphy of the Miocene and revision of the helicoliths and discoasters. Utrecht Micropaleontological Bulletin. 32: 1-271. gs

    Wei, W. (2003). Upper Miocene nannofossil bistratigraphy and taxonomy of Exxon core CH30-43-2 from the Gulf of Mexico. Journal of Nannoplankton Research. 25(1): 17-23. gs

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


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    Reticulofenestra rotaria compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 24-10-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=1184 Go to Archive.is to create a permanent copy of this page - citation notes



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