Pyramidinium

Genus Pyramidinium Razumk. Russ. Geol. Geophys., 66(8): 967. Jun 2025

Name: Pyramidinium
Rank: Genus
Authors (Pub.): Razumkova E. S.
Publication: Two new genera and species of acritarchs from the Albian–Cenomanian of Southwest Western Siberia [2025/6]
Journal: Russian Geology and Geophysics
Volume: 66
Issue: 8
Page number: 967
Year: 2025
Parent Taxon: [Unranked] Acritarcha
Fossil Status: cysts
Type: Pyramidinium annulatum
Diagnosis: A smooth vesicle in the shape of a truncated pyramid. In plan, the vesicle has a square outline with rounded corners and a ring in the center, inside of which there is an indistinct pylome with jagged edges.

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Species

Pyramidinium annulatum

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