Nannoconus cornuta


Classification: Mesozoic -> Braarudosphaerales -> Nannoconaceae -> Nannoconus -> N. truitti group -> Nannoconus cornuta
Sister taxa: N. cornuta, N. donnatensis, N. elongatus, N. inconspicuus, N. longus, N. minutus, N. multicadus, N. planus, N. quadriangulus, N. quadricanalis, N. truittii,

Distinguishing features: Quadriangular with horns and bosses on the outer wall.


Taxonomy:

Citation: Nannoconus cornuta Deres & Acherit
Rank: Species

Farinacci & Howe catalog pages: Nannoconus cornuta *

Distinguishing features: Quadriangular with horns and bosses on the outer wall.

Geological Range:
Last occurrence (top): within Hauterivian Stage (130.77-133.88Ma, top in Hauterivian stage). Data source: Perch-Nielsen 1985
First occurrence (base): within Valanginian Stage (133.88-139.39Ma, base in Valanginian stage). Data source: Perch-Nielsen 1985

Plot of occurrence data:

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

    References:

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

    Jeremiah, J. (2001). A Lower Cretaceous nannofossil zonation for the North Sea Basin. Journal of Micropalaeontology. 20: 45-80. gs


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    Nannoconus cornuta compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 11-12-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10737 Go to Archive.is to create a permanent copy of this page - citation notes



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