Reticulofenestra circus


Classification: Coccolithophores -> Isochrysidales -> Noelaerhabdaceae -> Reticulofenestra -> R. umbilicus group -> Reticulofenestra circus
Sister taxa: R. umbilicus, R. dictyoda, R. hillae, R. hampdenensis, R. hesslandii, R. moorei, R. circus, R. circus var. lata, R. wadeae, R. maceria Shafik 1989, R. oamaruensis,

Taxonomy:

Citation: Reticulofenestra circus de Kaenel & Villa, 1996
Rank: Species

Distinguishing features: Medium-sized, subcircular Reticulofenestra with a thin tube and a medium-sized central opening with quadrate outline.

Farinacci & Howe catalog pages: Reticulofenestra circus *

Search data:
TagsLITHS: placolith, sub-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: 6->10µm;
Sources:
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NP23 zone (29.62-32.02Ma, top in Rupelian stage). Data source: de Kaenel & Villa, 1996
First occurrence (base): within NP22 zone (32.02-32.92Ma, base in Rupelian stage). Data source: de Kaenel & Villa, 1996

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 circus, synonyms included - Reticulofenestra circus; space-time plot :: Samples map :: Parent: R. umbilicus group

    References:

    Bown, P. R. & Dunkley Jones, T. (2012). Calcareous nannofossils from the Paleogene equatorial Pacific (IODP Expedition 320 Sites U1331-1334). Journal of Nannoplankton Research. 32(2): 3-51. gs

    de Kaenel, E. & Villa, G. (1996). Oligocene-Miocene calcareous nannofossil biostratigraphy and paleoeecology from the Iberian Abyssal Plain. Proceedings of the Ocean Drilling Program. Scientific Results. 149: 79-145. gs

    Shepherd, C. L. & Kulhanek, D. K. (2016). Eocene nannofossil biostratigraphy of the mid-Waipara River section, Canterbury Basin, New Zealand. Journal of Nannoplankton Research. 26(1): 33-59. gs


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    Reticulofenestra circus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 16-9-2019

    Taxon Search:
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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=1157 Go to Archive.is to create a permanent copy of this page - citation notes



    Comments (1)

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    Pat Diver
    I believe you meant de Kaenel & Villa 1996 not de Kaenel & Villa 1966
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    Jeremy Young (NHM, UK)
    true - and corrected now
    Page 1 of 1
     

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