Distinguishing features: Gracile, elliptical Stradnerlithus with central area spanned by a 6 bars (4 diagonal and 2 longitudinal).
Taxonomy:
Farinacci & Howe catalog pages: Z. cotortuosus [no catalog entry yet]
Distinguishing features: Gracile, elliptical Stradnerlithus with central area spanned by a 6 bars (4 diagonal and 2 longitudinal).
Search data:Tags | LITHS: |
Metrics | Lith size: 0->0µm; |
Geological Range:
Last occurrence (top): within NJ15b subzone (152.29-158.53Ma, top in Kimmeridgian stage). Data source: Gallois & Medd 1979
First occurrence (base): within NJ15b subzone (152.29-158.53Ma, base in Oxfordian stage). Data source: Gallois & Medd 1979
Plot of occurrence data:
Gallois, R. W. & Medd, A. W. (1979). Coccolith-rich marker bands in the English Kimmeridge Clay. Geological Magazine. 116(4): 247-334. gsReferences:
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Stradnerlithus cotortuosus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 5-3-2021
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=11171 Go to Archive.is to create a permanent copy of this page - citation notes |