Nannotax3 - ntax_mesozoic - Calyculus noeliae subsp. depressa

Calyculus noeliae subsp. depressa

Classification: ntax_mesozoic -> hidden -> deleted -> Calyculus noeliae subsp. depressa
Sister taxa: A. variabilis, A. confusa, A. paucipunctata, C. noeliae subsp. depressa, C. noeliae subsp. noeliae, C. noeliae subsp. recondita, Centosphaera, C. barbata, C. ocellatus, C. prinsii, C. deflandrei (morphotype A), C. deflandrei (morphotype B), C. asymmetricus, H. geometricus, M. bramlettei, N. erbae, Obliquipithonella, O. prasina, O. rhombica> >>

Distinguishing features: Calyculus noeliae with low rim.

Taxonomy:

Citation: Calyculus noeliae subsp. depressa (Goy, 1981) Crux, 1987

Rank: Sub-species

Farinacci & Howe catalog pages: Z. noeliae subsp. depressa [no catalog entry yet], V. noelae depressa *

Distinguishing features: Calyculus noeliae with low rim.

Morphology: See remarks for species.

Search data:

Tags	LITHS:
Metrics	Lith size: 0->0µm;

The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Early Toarcian Substage (178.24-182.70Ma, top in Toarcian stage). Data source: Goy 1981
First occurrence (base): within Early Toarcian Substage (178.24-182.70Ma, base in Toarcian stage). Data source: Goy 1981

Plot of occurrence data:

Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
Triangles indicate an event for which a precise placement has been suggested
(NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: deleted

References:

Crux, J. A. (1987a). Concerning dimorphism in Early Jurassic coccoliths and the origin of the genus Discorhabdus Noël 1965. Abhandlungen der Geologischen Bundesanstalt. 39: 51-55. gs V O

Goy, G. (1981). Nannofossiles calcaires des schistes carbon (Toarcien Inferieur) du Bassin de Paris. Doc. de la RCP 459, Nature et genese des facies confines, (Editions du BRGM). 1: 1-86. gs

Calyculus noeliae subsp. depressa compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 20-1-2021

Taxon Search:

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10191 Go to Archive.is to create a permanent copy of this page - citation notes

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