Acritax - Acritax_JWIP - Filisphaeridium sp. A Acritax - Acritax_JWIP - Filisphaeridium sp. A

CATALOG - Filisphaeridium sp. A

Folder trail: Acritax_JWIP -> F -> Filisphaeridium -> Filisphaeridium sp. A
Folders this level: << < F. penkridgense, F. perleve, F. piliferum, F. piskunii, F. piveteaui, F. poratum, F. pseudozonale, F. radibaculatum, F. regularum, F. reticuloidum, F. rigidum, F. roquestii, F. setasessitante, F. simplex, F. solidum, F. sp. A, F. spinatum, F. spinulatum, F. staplinii, F. stimuliferum, F. systenoidium, F. tenue, F. tornatum, F. triviale, F. variabile, F. velvetum, F. watrousense, F. williereae, F. zagoraense, F. zhuravlevae

This catalog consists of scans of cards from the "John William Index of Palaeopalynology" compiled by John Williams between 1971 and 2010 - see also this page.
The cards inclued here are only those for the acritarchs, they are sorted alphabetically for simple browsing. You can also use search boxes at the top & bottom of the page to find specific taxa
There are PDF (higher quality) and jpeg (faster opening) copies of the cards, the content of them is identical

Current identification:

taxonomic rank: Species


Acritax - Acritax_JWIP - Filisphaeridium sp. A compiled by John Williams and Brian Pedder

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Short stable page link: Go to to create a permanent copy of this page - citation notes
Possible link to Algaebase for nomenclatural details: Filisphaeridium sp. A

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