Nephrolithus corystus


Classification: Mesozoic -> Podorhabdales -> Axopodorhabdaceae -> Nephrolithus -> Nephrolithus corystus
Sister taxa: N. corystus, N. frequens, N. sp.,

Distinguishing features: Central area with 2-60 perforations each defined by rather irregular elongate crystals


Taxonomy:

Citation: Nephrolithus corystus Wind, 1983
Rank: Species

Farinacci & Howe catalog pages: Nephrolithus corystus *

Distinguishing features: Central area with 2-60 perforations each defined by rather irregular elongate crystals

Search data:
TagsLITHS: placolith, asymmetric, CA: cross-axial, grill, plate, process, closed, V-UNITS: V-prominent, R-UNITS: R-prominent, DETAILS: ca_disjunct, rim-bicyclic,
MetricsLith size: 6->16µm;
Sources: original description
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Maastrichtian Stage (66.04-72.05Ma, top in Maastrichtian stage). Data source: Burnett 1998
First occurrence (base): within UC15d subzone (75.93-76.82Ma, base in Campanian stage). Data source: Burnett 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: Nephrolithus corystus, synonyms included - Nephrolithus corystus;
  • space-time plot :: Samples map :: Parent: Nephrolithus

    References:

    Burnett, J. A. (1998). Upper Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 132-199. gs

    Pospichal, J. J. & Wise, S. W. (1990b). Maestrichtian calcareous nannofossil biostratigraphy of Maud Rise ODP leg 113 sites 689 and 690, Weddell Sea. Proceedings of the Ocean Drilling Program. Scientific Results. 113: 465-487. gs

    Watkins, D. K. (1992). Upper Cretaceous nannofossils from Leg 120, Kergeulen Plateau, Southern Ocean. Proceedings of the Ocean Drilling Program. Scientific Results. 120: 343-370. gs

    Wind, F. H. & Wise, S. W. (1983). Correlation of upper Campanian-lower Maestrichtian calcareous nannofossil assemblages in drill and piston cores from the Falkland Plateau, southwest Atlantic Ocean. Initial Reports of the Deep Sea Drilling Project. 71: 551-563. gs

    Wind, F. H. (1983). The genus Nephrolithus Górka, 1957 (Coccolithophoridae). Journal of Paleontology. 57: 157-161. gs

    Wise, S. W. & Wind, F. H. (1977). Mesozoic and Cenozoic calcareous nannofossils recovered by DSDP Leg 36 drilling on the Falkland Plateau, south-west Atlantic sector of the Southern Ocean. Initial Reports of the Deep Sea Drilling Project. 36(269-491): -. gs


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    Nephrolithus corystus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 22-2-2020

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10797 Go to Archive.is to create a permanent copy of this page - citation notes



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