Nannotax3 - ntax_main - Triscutum pricatillus Nannotax3 - ntax_main - Triscutum pricatillus

Triscutum pricatillus


Classification: ntax_main -> Mesozoic nannofossils -> Podorhabdales -> Mazaganellaceae -> Triscutum -> Triscutum pricatillus
Sister taxa: T. beaminsterensis, T. expansus, T. pricatillus, T. sullivanii, T. tiziense, T. sp.

Taxonomy:

Citation: Triscutum pricatillus de Kaenel & Bergen, 1993
Taxonomic rank: species

Distinguishing features:
Parent taxon (Triscutum): Three-shielded placoliths with a wide central-area spanned by a proximal net or grill.
This taxon: Medium (6-8 µm) Triscutum with a relatively narrow central area nearly filled by an axial cross structure.

Farinacci & Howe catalog pages: T. pricatillus *

Search data:
LITHS: placolith, elliptical, CA: cross-axial, ca_disjunct,
Lith size: 5.5->7.5µm;
Data source notes: original description
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Early Bajocian Substage (169.70-170.90Ma, top in Bajocian stage). Data source: de Kaenel & Bergen 1993
First occurrence (base): within Sinemurian Stage (192.90-199.46Ma, base in Sinemurian stage). Data source: de Kaenel & Bergen 1993

Plot of occurrence data:

References:

de Kaenel, E. & Bergen, J. A. (1993). New Early and Middle Jurassic coccolith taxa and biostratigraphy from the eastern proto-Atlantic (Morocco, Portugal and DSDP Site 547B). Eclogae Geologicae Helvetiae. 86(861-907): -. gs O


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Triscutum pricatillus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 17-6-2025

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=11255 Go to Archive.is to create a permanent copy of this page - citation notes



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