Calcicalathina oblongata


Classification: Mesozoic -> Eiffellithales -> Rhagodiscaceae -> Calcicalathina -> Calcicalathina oblongata
Sister taxa: C. alta, C. clipeus, C. erbae, C. oblongata, C. sp.,

Distinguishing features: Calcicalathina with high, narrow rim and wide central-area filled by a large, domed, granular mass. Seen in plan and side view.


Taxonomy:

Citation: Calcicalathina oblongata (Worsley, 1971) Thierstein, 1971
Rank: Species
Basionym: Schizosphaerella oblongata Worsley, 1971

Farinacci & Howe catalog pages: Schizosphaerella oblongata * , ,

Distinguishing features: Calcicalathina with high, narrow rim and wide central-area filled by a large, domed, granular mass. Seen in plan and side view.

Geological Range:
Last occurrence (top): at top of NC5c subzone (100% up, 130.1Ma, in Barremian stage). Data source: Bown et al. 1998, fig. 5.2
First occurrence (base): at base of NC3 zone (0% up, 139.5Ma, in Berriasian stage). Data source: Bown et al. 1998, fig. 5.1

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: Calcicalathina oblongata, synonyms included - Calcicalathina oblongata; space-time plot :: Samples map :: Parent: Calcicalathina

    References:

    Bown, P. R., Rutledge, D. C., Crux, J. A. & Gallagher, L. T. (1998). Early Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 86-131. gs

    Thierstein, H. R. (1971). Tentative Lower Cretaceous Calcareous Nannoplankton Zonation. Eclogae Geologicae Helvetiae. 64: 459-488. gs

    Worsley, T. R. (1971). Calcareous nannofossil zonation of Upper Jurassic and Lower Cretaceous sediments from the Western Atlantic. In, Farinacci, A. (ed.) Proceedings of the Second Planktonic Conference Roma 1971. Edizioni Tecnoscienza, Rome 2: 1301-1321. gs


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    Calcicalathina oblongata compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 20-7-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10153 Go to Archive.is to create a permanent copy of this page - citation notes



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