Distinguishing features: Calyculus noeliae with low rim.
Taxonomy:
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.
Tags | LITHS: |
Metrics | Lith size: 0->0µm; |
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:
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. gsReferences:
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Calyculus noeliae subsp. depressa compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 20-1-2021
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