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:
TagsLITHS:
MetricsLith 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:

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


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

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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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