Nannotax3 - Mesozoic - Calyculus noeliae subsp. noeliae

Calyculus noeliae subsp. noeliae

Classification: Mesozoic -> hidden -> deleted -> Calyculus noeliae subsp. noeliae
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, Orthopithonella> >>

Taxonomy:

Citation: Calyculus noeliae (Goy in Goy et al., 1979) subsp. noeliae

Rank: Sub-species

Taxonomic discussion: Not true subspecies, as depressa and recondita were described in order to differentiate the two different coccolith morphologies on the collapsed coccosphere.

Farinacci & Howe catalog pages:

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., Noël, D. & Busson, G. (1979). Les conditions de sédimentation des schistes-carton (Toarcien inf.) du bassin de Paris déduites de l'étude des nannofossiles calcaires et des diagraphies. Documents des laboratories de géologie Lyon. 75: 33-57. gs

Calyculus noeliae subsp. noeliae compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 22-10-2020

Taxon Search:

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10192 Go to Archive.is to create a permanent copy of this page - citation notes

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