Acritax - Acritax_JWIP - Quadraditum Acritax - Acritax_JWIP - Quadraditum

CATALOG - Quadraditum

Folder trail: Acritax_JWIP -> Q -> Quadraditum
Folders this level: Qingshania, Quadradinium, Quadraditum, Quadratimorpha, Quadratitubulus, Quadrina, Quadruilobus, Quaestiosignum, Qualeamorpha, Quantostrobilium, Quaternatiphycus, Quisquilites

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

Quadraditum deunffi

Quadraditum fantasticum

Quadraditum ibericum

Quadraditum zondensis

Current identification:

taxonomic rank: Genus


Acritax - Acritax_JWIP - Quadraditum 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: Quadraditum

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