Distinguishing features:
Parent taxon (Rhagodiscus): Loxolith coccoliths with low rim and central-area filled by a granular plate which may be perforate and/or spine-bearing. In xpl the rim is unicyclic moderately bright, the central area is granular, lacking a clear extinction cross.
This taxon: Small (holotype 4 µm), with small slender spine with bright tip
Farinacci & Howe catalog pages:
R. pancostii *
| LITHS: murolith, elliptical, CA: plate, process, CROSS-POLARS: rim-unicyclic, R-prominent, |
| Lith size: 3->5µm; Data source notes: holotype +/-1µm |
Geological Range:
Last occurrence (top): within Early Turonian Substage (92.90-93.90Ma, top in Turonian stage). Data source: Lees 2007 (original description)
First occurrence (base): within Early Turonian Substage (92.90-93.90Ma, base in Turonian stage). Data source: Lees 2007 (original description)
Plot of occurrence data:
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Rhagodiscus pancostii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 20-4-2026
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=11026 Go to Archive.is to create a permanent copy of this page - citation notes |
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