Similiscutum gephyrion


Classification: Mesozoic -> hidden -> deleted -> Similiscutum gephyrion
Sister taxa: << < C. ocellatus, C. asymmetricus, H. geometricus, M. bramlettei, N. erbae, Obliquipithonella, O. prasina, O. rhombica, Orthopithonella, O. geometrica, O. misurinae, P. geometrica, P. charlotteii, P. fistulatus, S. pseudobiskayae, S. gephyrion, S. acutiferrus, S. laffittei, Thoracosphaera, T. wombatensis, W. communis, L. primigenius, T. senarius, S. cotortuosus, N. funiculus group, L. imprimus,

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

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.

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


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    Similiscutum gephyrion compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 19-11-2019

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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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