Nannotax3 - ntax_mesozoic - Arkhangelskiella sp.

Arkhangelskiella sp.


Classification: ntax_mesozoic -> Arkhangelskiales -> Arkhangelskiellaceae -> Arkhangelskiella -> Arkhangelskiella sp.
Sister taxa: A. cymbiformis, A. maastrichtiensis, A. specillata, A. sp.

Distinguishing features:
Parent taxon (Arkhangelskiella): R-units cover the distal surface, so coccolith appears bright, unicyclic, in LM (although darker towards outer edge); central-area has perforate plate with axial sutures. 4 tiers visible in side view.
This taxon: Specimens not identified to species level


Taxonomy:

Citation: Arkhangelskiella sp.
Rank: generic level id

Farinacci & Howe catalog pages:

Distinguishing features:
Parent taxon (Arkhangelskiella): R-units cover the distal surface, so coccolith appears bright, unicyclic, in LM (although darker towards outer edge); central-area has perforate plate with axial sutures. 4 tiers visible in side view.
This taxon: Specimens not identified to species level


Morphology: We are using this category for images of specimens which can be identified to generic level but have not been definitively assigned to a single 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 (-Ma, top in "Holocene" stage). Data source:
First occurrence (base): within (-Ma, base in "Holocene" stage). Data source:

Plot of occurrence data:

References:

Gale, A. S., Kennedy, W. J., Burnett, J. A., Caron, M. & Kidd, B. E. (1996). The Late Albian to Early Cenomanian succession at Mont Risou, near Rosans (Drôme, SE France): an integrated study (ammonites, inoceramids, planktonic foraminifera, nannofossils, oxygen and carbon isotopes). Cretaceous Research. 17: 515-606. gs

Hattner, J. G. & Wise, S. W. (1980). Upper Cretaceous calcareous nannofossil biostratigraphy of South Carolina. South Carolina Geology. 24: 41-117. gs


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Arkhangelskiella sp. compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 28-11-2021

Taxon Search:
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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10040 Go to Archive.is to create a permanent copy of this page - citation notes



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