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:
Farinacci & Howe catalog pages: Z. 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: Variant of Biscutum finchii.
Tags | LITHS: |
Metrics | Lith size: 0->0µm; |
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:
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Similiscutum gephyrion compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 4-3-2021
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