Nannotax3 - ntax_mesozoic - Crucibiscutum bastetanum Nannotax3 - ntax_mesozoic - Crucibiscutum bastetanum

Crucibiscutum bastetanum


Classification: ntax_mesozoic -> Podorhabdales -> Biscutaceae -> Crucibiscutum -> Crucibiscutum bastetanum
Sister taxa: C. hayi, P. quadriperforatus ⟩⟨ C. bastetanum, C. gracile, C. neuquenensis, C. pinnatus, C. ryazanicum, C. salebrosum, C. trilensis, C. sp.

Distinguishing features:
Parent taxon (Crucibiscutum): Elliptical with prominent, birefringent, axial cross.
This taxon: Small (3.5-5.5 µm) with slightly rotated cross, central area narrow, tube cycle (R-units) broader than outer rim


Taxonomy:

Citation: Crucibiscutum bastetanum Aguado, in Aguado et al 2022
taxonomic rank: species

Farinacci & Howe catalog pages: C. bastetanum *

Distinguishing features:
Parent taxon (Crucibiscutum): Elliptical with prominent, birefringent, axial cross.
This taxon: Small (3.5-5.5 µm) with slightly rotated cross, central area narrow, tube cycle (R-units) broader than outer rim

Search data:
LITHS: placolith, elliptical, CA: cross-axial, diagonal cross, CROSS-POLARS: rim-bicyclic, V-prominent, R-prominent,
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 NC6a subzone (120.51-121.52Ma, top in Aptian stage). Data source: Aguado et al. 2022
First occurrence (base): within NC6a subzone (120.51-121.52Ma, base in Barremian stage). Data source: Aguado et al. 2022

Plot of occurrence data:

References:

Aguado, R., Company, M., O'Dogherty, L., Sandoval, J. & Martinez, M. (2022). New insights into the Barremian–lower Aptian calcareous nannofossils of the Mediterranean Tethys: Chronostratigraphic and paleobiogeographic implications. Marine Micropaleontology. 173: 1-24. gs


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Crucibiscutum bastetanum compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 26-2-2024

Taxon Search:
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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=11408 Go to Archive.is to create a permanent copy of this page - citation notes
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