Lithostromation biconvexitas


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

Taxonomy:

Citation: Lithostromation biconvexitas Varol 1984
Rank: Species

Distinguishing features: Ellipsoidal cenrral body with ends extended as spines

Farinacci & Howe catalog pages: Lithostromation biconvexitas *


Morphology remarks: The only bilaterally symettrical species

Search data:
TagsLITHS: nannolith-radiate, rosette-shaped,
CSPH: not known, V-UNITS: all, R-UNITS: none, DETAILS: 1ou,
MetricsLith size: 10->15µm; Segments: 2->2;
Sources: 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:

  • (NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: Lithostromation

    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: 17-9-2019

    Taxon Search:
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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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