Nannoconus carniolensis


Classification: Mesozoic -> Braarudosphaerales -> Nannoconaceae -> Nannoconus -> N. circularis group -> Nannoconus carniolensis
Sister taxa: N. carniolensis, N. circularis, N. fragilis, N. grandis, N. quadratus,

Distinguishing features: Barrel-shaped with a distinct constriction/waist towards one end.


Daughter taxa: (blue => in age window 0-800Ma)
wall not expecially narrow
very narrow wall

Taxonomy:

Citation: Nannoconus carniolensis Deflandre & Deflandre-Rigaud, 1962
Rank: Species

Farinacci & Howe catalog pages: Nannoconus carniolensis *

Distinguishing features: Barrel-shaped with a distinct constriction/waist towards one end.


Morphology remarks: Canal is moderately wide (one to two times the width of the wall).

Geological Range:
Last occurrence (top): within Late Aptian Substage (112.95-122.98Ma, top in Aptian stage). Data source: Perch-Nielsen 1985a
First occurrence (base): within Late Aptian Substage (112.95-122.98Ma, base in Aptian stage). Data source: Perch-Nielsen 1985a

Plot of occurrence data:

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

    References:

    Deflandre, G. & Deflandre-Rigaud, M. (1962). Remarques sur l'évolution des Nannoconidés à propos de quelques nouveaux types du Crétacé inferieur de Haute-Provence. Comptes Rendus de l'Academie des Sciences. 255: 2948-2951. gs


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    Nannoconus carniolensis compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 7-12-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10730 Go to Archive.is to create a permanent copy of this page - citation notes



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