Taxonomy:
Distinguishing features:
Parent taxon (S. aurisinae HOL type): Dimorphic - liths cavate
BCs flat topped with large openings in tube and variable openings in distal surface; tiered wall fabric; low transverse ridge.
CFCs helladoliths - ridge of BCs is extended into prominent leaf, no openings in tube.
This taxon: Specimens which cannot be assigned to established species
Farinacci & Howe catalog pages:
Search data:
Lith size: 0->0µm; |
Geological Range:
Last occurrence (top): Extant. Data source: same as genus
First occurrence (base): within Quaternary Period (0.00-2.59Ma, base in Gelasian stage). Data source: same as genus
Plot of occurrence data:
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S. aurisinae HOL type sp. compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 14-2-2025
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=1111 Go to Archive.is to create a permanent copy of this page - citation notes |
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