select * from moduleUsers where username='anyone' Nannotax3 - ntax_mesozoic - Markalius sp. Nannotax3 - ntax_mesozoic - Markalius sp.

Markalius sp.


Classification: ntax_mesozoic -> Heterococcoliths inc sedis -> placoliths inc sedis -> Markalius -> Markalius sp.
Sister taxa: M. inversus, M. neuquenensis, M. vetulus, M. sp.

Distinguishing features:
Parent taxon (Markalius): Circular placoliths with moderately birefringent shields, a bright inner tube cycle and narrow or closed central areas.
This taxon: Specimens not identified to species level


Taxonomy:

Citation: Markalius sp.
Taxonomic rank: generic level id

Farinacci & Howe catalog pages:

Distinguishing features:
Parent taxon (Markalius): Circular placoliths with moderately birefringent shields, a bright inner tube cycle and narrow or closed central areas.
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:
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 (-Ma, top in "Holocene" stage). Data source:
First occurrence (base): within (-Ma, base in "Holocene" stage). Data source:

Plot of occurrence data:

References:

Bown, P. R., Rutledge, D. C., Crux, J. A. & Gallagher, L. T. (1998). Lower Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series . 86-131. gs O

Perch-Nielsen, K., Sadek, A., Barakat, M. G. & Teleb, F. (1978). Late Cretaceous and Early Tertiary Calcareous nannofossil and Planktonic foraminifera zones from Egypt. Actes du VI Colloque Africain de Micropaléontologie - Tunis 1974. Annales des Mines et de la Géologie Tunissienne. 28: 337-403. gs

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Markalius sp. compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 17-1-2025

Taxon Search:
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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10632 Go to Archive.is to create a permanent copy of this page - citation notes
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