Distinguishing features:
Parent taxon (Goniolithus): Small to medium pentagonal liths, with narrow rim and granular central area plate. Dark image in LM.
This taxon: Specimens which cannot be assigned to any established species
Farinacci & Howe catalog pages:
| Lith size: 0->0µm; |
Geological Range:
Last occurrence (top): within Oligocene Epoch (23.03-33.89Ma, top in Chattian stage). Data source: same as genus
First occurrence (base): within Coniacian Stage (85.70-89.39Ma, base in Coniacian stage). Data source: same as genus
Plot of occurrence data:
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Goniolithus sp. compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 19-5-2026
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=634 Go to Archive.is to create a permanent copy of this page - citation notes |
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