Nannoconus vocontiensis


Classification: Mesozoic -> Braarudosphaerales -> Nannoconaceae -> Nannoconus -> N. kamptneri group -> Nannoconus vocontiensis
Sister taxa: N. aquitanicus, N. boletus, N. bonetii, N. bronnimannii, N. bucheri, N. calpidomorphus, N. colomii, N. dauvillieri, N. dislocatus, N. globulus, N. kamptneri, N. oviformis, N. vocontiensis, N. wassallii, N. wintereri,

Distinguishing features: Tapering, slightly higher than wide


Taxonomy:

Citation: Nannoconus vocontiensis Deres and Achéritéguy, 1980
Rank: Species
Notes & discussion: Arguably a variant or junior synonym of Nannoconus bucheri Brönnimann, 1955.

Farinacci & Howe catalog pages: Nannoconus vocontiensis *

Distinguishing features: Tapering, slightly higher than wide


Morphology remarks: Tapering nannoconids with very wide cavities and moderately narrow walls. The cavity is three to four times the width of the wall.

Geological Range:
Last occurrence (top): within Cenomanian Stage (93.90-100.50Ma, top in Cenomanian stage). Data source: Burnett 1998
First occurrence (base): within Aptian Stage (112.95-126.30Ma, base in Aptian stage). Data source: Burnett 1998

Plot of occurrence data:

  • (NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: N. kamptneri group

    References:

    Brönnimann, P. (1955). Microfossils incertae sedis from the Upper Jurassic and Lower Cretaceous of Cuba. Micropaleontology. 1(28-51): -. gs

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

    Deres, F. & Achéritéguy, J. (1980). Biostratigraphie des Nannoconides. Bulletin des Centres de Recherches Exploration-Production Elf-Aquitaine. 4: 1-53. gs


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    Nannoconus vocontiensis compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 15-12-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10784 Go to Archive.is to create a permanent copy of this page - citation notes



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