Taxonomy:
Farinacci & Howe catalog pages: T. quadrisphenus *
Search data:
LITHS: nannolith-radiate, quadrate, star-shaped, CA: closed, CROSS-POLARS: T-prominent, |
Lith size: 0->0µm; Segments: 4->4; Data source notes: no data avaialble |
Geological Range:
Last occurrence (top): within Valanginian Stage (132.60-137.70Ma, top in Valanginian stage). Data source: Worsley 1971
First occurrence (base): within Berriasian Stage (137.70-143.10Ma, base in Berriasian stage). Data source: Worsley 1971
Plot of occurrence data:
Palaeomicula quadrisphena compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 14-12-2024
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10850 Go to Archive.is to create a permanent copy of this page - citation notes |
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