Nannoconus kamptneri


Classification: Mesozoic -> Braarudosphaerales -> Nannoconaceae -> Nannoconus -> N. kamptneri group -> Nannoconus kamptneri
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: Pear-shaped to tapering


Daughter taxa: (blue => in age window 0-800Ma)
Tall (>10µm)
Squat (<10µm)

Taxonomy:

Citation: Nannoconus kamptneriBrönnimann, 1955
Rank: Species

Farinacci & Howe catalog pages: Nannoconus kamptneri *

Distinguishing features: Pear-shaped to tapering


Morphology remarks: Elongate, tapering nannoconids with wide central openings (cavities) and walls formed from moderately high-angled (20-45 degrees), and moderately thick, cycles (0.5-1.0µm). Cavities are one to two times the width of the wall.

Search data:
TagsLITHS: nannolith-radiate, circular, cylindrical, hollow, CA: vacant, T-UNITS: T-prominent,
MetricsLith size: 8->15µm;
Sources: range of sub-species
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Aptian Stage (112.95-126.30Ma, top in Aptian stage). Data source: Perch-Nielsen 1985a
First occurrence (base): within Early Berriasian Substage (143.57-145.01Ma, base in Berriasian stage). Data source: Bralower et al., 1989

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:

    Bown, P. R. & Cooper, M. K. E. (1998). Jurassic. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 34-85. gs :: ::

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


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    Nannoconus kamptneri compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 3-7-2020

    Taxon Search:
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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10756 Go to Archive.is to create a permanent copy of this page - citation notes



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