Lithostromation biconvexitas


Classification: Coccolithophores -> Nannolith families inc sed -> Lithostromationaceae -> Lithostromation -> Lithostromation biconvexitas
Sister taxa: L. biconvexitas, L. operosum, L. perdurum, L. reginum, L. simplex, L. sp., T. martinii,

Taxonomy:

Citation: Lithostromation biconvexitas Varol 1984
Rank: Species

Distinguishing features: Ellipsoidal central body with ends extended as spines

Farinacci & Howe catalog pages: L. biconvexitas *


Morphology remarks: The only bilaterally symettrical species

Search data:
TagsLITHS: nannolith-radiate, star-shaped, CA: pores, CROSS-POLARS: 1ou, V-prominent,
MetricsLith size: 10->15µm; Segments: 2->2;
Data source notes: lith size from OD and slightly extended
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NN7 zone (10.89-11.90Ma, top in Tortonian stage). Data source: Varol 1984
First occurrence (base): within NN6 zone (11.90-13.53Ma, base in Serravallian stage). Data source: Varol 1984

Plot of occurrence data:

References:

Varol, O. (1984). New Neogene calcareous nannofossil taxa from Malta and southern Turkey. Neues Jahrbuch für Geologie und Paläontologie, Monatshefte. 6: 375-384. gs


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Lithostromation biconvexitas compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 30-9-2020

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=821 Go to Archive.is to create a permanent copy of this page - citation notes



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