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Nannotax3 - ntax_cenozoic - Triquetrorhabdulus sp. Nannotax3 - ntax_cenozoic - Triquetrorhabdulus sp.

Triquetrorhabdulus sp.


Classification: ntax_cenozoic -> Nannolith families inc sed -> Ceratolithaceae -> Triquetrorhabdulus -> Triquetrorhabdulus sp.
Sister taxa: T. carinatus, T. challengeri, T. milowii, T. nanhaiensis, T. sp.

Taxonomy:

Citation: Triquetrorhabdulus sp.
Taxonomic rank: generic level id

Distinguishing features:
Parent taxon (Triquetrorhabdulus): Elongate, tri-radiate nannoliths formed of a single calcite crystal with the c-axis parallel to the length of the nannolith. Nannolith straight with bilateral or trilateral symmetry. Shows high birefringence.
This taxon: Specimens which cannot be assigned to established species

Farinacci & Howe catalog pages:

Search data:
Lith size: 0->0µm;
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NN6 zone (11.90-13.53Ma, top in Serravallian stage). Data source: same as genus
First occurrence (base): within NP24 zone (26.84-29.62Ma, base in Rupelian stage). Data source: same as genus

Plot of occurrence data:

References:

Müller, C. (1974). Calcareous nannoplankton, Leg 25 (Western Indian Ocean). Initial Reports of the Deep Sea Drilling Project. 25: 579-633. gs


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Triquetrorhabdulus sp. compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 22-4-2025

Taxon Search:
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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=1442 Go to Archive.is to create a permanent copy of this page - citation notes
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