Farhania


Classification: Mesozoic -> Braarudosphaerales -> Polycyclolithaceae -> Farhania
Sister taxa: Eprolithus, Radiolithus, Farhania, Lithastrinus, Uniplanarius, Quadrum, Micula, Palaeomicula,

Distinguishing features: Eprolithid with narrow wall (formed from 16-24 small, brick-like elements) surrounding a wide central area spanned by an amedian diaphragm.


Daughter taxa: (blue => in age window 0-800Ma)
Eprolithid with narrow wall (formed from 16-24 small, brick-like elements) surrounding a wide central area spanned by an amedian diaphragm.
Specimens not identified to species level

Taxonomy:

Citation: Farhania Varol, 1992
Rank: Genus
Type species: Eprolithus varolii Jakubowski, 1986

Farinacci & Howe catalog pages: Farhania *

Distinguishing features: Eprolithid with narrow wall (formed from 16-24 small, brick-like elements) surrounding a wide central area spanned by an amedian diaphragm.

Search data:
TagsLITHS: nannolith-radiate, circular, cylindrical, CA: closed, T-UNITS: T-prominent,
MetricsLith size: 4->8┬Ám;
Sources: size range of included species
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): in upper part of Aptian Stage (75% up, 116.3Ma, in Aptian stage). Data source: Total of range of species in this database
First occurrence (base): at base of Aptian Stage (4% up, 125.8Ma, in Aptian stage). Data source: Total of range of species in this database

Plot of occurrence data:

References:

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

Varol, O. (1992b). Taxonomic revision of the Polycyclolithaceae and its contribution to Cretaceous biostratigraphy. Newsletters on Stratigraphy. 27(93-127): -. gs


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Farhania compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 19-2-2020

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10445 Go to Archive.is to create a permanent copy of this page - citation notes



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