CATALOG - Psilosphaera
Folder trail: Acritax_JWIP ->
P -> Psilosphaera
Folders this level: << < Pseudodiacrodium,
Pseudodicrodiacrodium,
Pseudodomasia,
Pseudofavososphaera,
Pseudofromea,
Pseudolunulidia,
Pseudomaranhites,
Pseudomasia,
Pseudosaccatina,
Pseudoschizaea,
Pseudotasmanites,
Pseudotawuia,
Pseudozonosphaera,
Pseudozonosphaeridium,
Psiloschizosporis,
Psilosphaera,
Psophosphaera,
Pterocystidiopsis,
Pteroidea,
Pterosperma,
Pterospermella,
Pterospermopsimorpha,
Pterospermopsis,
Pterosphaeridia,
Pterotosphaerula,
Pteroverricatus,
Ptilotoscolus,
Pulvinoidium,
Pulvinomorpha,
Pulvinosphaeridium,
Pumilibaxa> >>
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