Taxonomy:
Distinguishing features: Medium-sized, circular heliolith with at least two discernible cycles in LM, both of which are dark in XPL. The cycles comprise around 40 visible radial elements and the central area is typically closed.
Farinacci & Howe catalog pages: B. aquilus *
Size: Diameter = 8.2-9.0 microns.
Tags | LITHS: nannolith-radiate, circular, star-shaped, CROSS-POLARS: V-prominent, R-prominent, |
Metrics | Lith size: 7->10µm; Segments: 35->45; Data source notes: size from OD & slightly extended |
Geological Range:
Last occurrence (top): within NP9b subzone (55.86-56.66Ma, top in Ypresian stage). Data source: Bown 2010
First occurrence (base): within NP9b subzone (55.86-56.66Ma, base in Thanetian stage). Data source: Bown 2010
Plot of occurrence data:
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Bomolithus aquilus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 27-2-2021
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