Similiscutum gephyrion


Classification: Mesozoic -> hidden -> deleted -> Similiscutum gephyrion
Sister taxa: << < N. erbae, Obliquipithonella, O. prasina, O. rhombica, Orthopithonella, O. geometrica, O. misurinae, P. fletcheri, P. bownii, P. geometrica, P. triassica subsp. punctata, P. triassica subsp. triassica, P. charlotteii, P. fistulatus, S. pseudobiskayae, S. gephyrion, S. acutiferrus, S. laffittei, Thoracosphaera, T. wombatensis, Z. sisyphus, W. communis, L. primigenius, C. crucifer, T. senarius, Z. elegans, S. cotortuosus, N. funiculus group, L. imprimus, S. humilis,

Distinguishing features: Medium sized biscutacean with wide shields and very narrow central area spanned by a transverse-bar-like structure. Unicyclic or weakly bicyclic image in XPL with clearly visible elements.


Taxonomy:

Citation: Similiscutum gephyrion de Kaenel & Bergen, 1993
Rank: species

Farinacci & Howe catalog pages: ZZDELETEDSimiliscutum gephyrion [no catalog entry yet]

Distinguishing features: Medium sized biscutacean with wide shields and very narrow central area spanned by a transverse-bar-like structure. Unicyclic or weakly bicyclic image in XPL with clearly visible elements.


Morphology remarks: Variant of Biscutum finchii.

Search data:
Tags
MetricsLith size: 0->0µm;
Sources:
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Late Pliensbachian Substage (182.70-187.56Ma, top in Pliensbachian stage). Data source: de Kaenel & Bergen 1993
First occurrence (base): within Late Pliensbachian Substage (182.70-187.56Ma, base in Pliensbachian stage). Data source: de Kaenel & Bergen 1993

Plot of occurrence data:

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

    References:

    de Kaenel, E. & Bergen, J. A. (1993). New Early and Middle Jurassic coccolith taxa and biostratigraphy from the eastern proto-Atlantic (Morocco, Portugal and DSDP Site 547B). Eclogae Geologicae Helvetiae. 86(861-907): -. gs :: view :: open


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    Similiscutum gephyrion compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 30-5-2020

    Taxon Search:
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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=11087 Go to Archive.is to create a permanent copy of this page - citation notes



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