CATALOG - Pterospermopsis

Folder trail: Acritax_JWIP -> P -> Pterospermopsis
Folders this level: << < Pseudomasia, Pseudosaccatina, Pseudoschizaea, Pseudotasmanites, Pseudotawuia, Pseudozonosphaera, Pseudozonosphaeridium, Psiloschizosporis, Psilosphaera, Psophosphaera, Pterocystidiopsis, Pteroidea, Pterosperma, Pterospermella, Pterospermopsimorpha, Pterospermopsis, Pterosphaeridia, Pterotosphaerula, Pteroverricatus, Ptilotoscolus, Pulvinoidium, Pulvinomorpha, Pulvinosphaeridium, Pumilibaxa, Pustulisphaera, Pustulisphaeridium, Puteoscortum, Pylantios, Pyloferites, Pytinomorpha,

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

Pterospermopsis has 36 sub-taxa these are grouped in 2 pages
1 P. ang :: 2 P. rad
Pterospermopsis angulus
Pterospermopsis aptiensis
Pterospermopsis aristotelesii
Pterospermopsis asperata
Pterospermopsis asperculus
Pterospermopsis binatum
Pterospermopsis bohaiensis
Pterospermopsis bulbosa
Pterospermopsis chinaica
Pterospermopsis concentricus
Pterospermopsis danica
Pterospermopsis doringii
Pterospermopsis dubius
Pterospermopsis fragilis
Pterospermopsis kieseri
Pterospermopsis latus
Pterospermopsis marginatum
Pterospermopsis microgranulosum
Pterospermopsis minus
Pterospermopsis oculatus
Pterospermopsis ovatus
Pterospermopsis patulus
Pterospermopsis pelagica
Pterospermopsis polyliratus
Pterospermopsis quadripetatus
Pterospermopsis has 36 sub-taxa these are grouped in 2 pages
1 P. ang :: 2 P. rad

Current identification/main database link:

Rank: Genus


Acritax - Acritax_JWIP - Pterospermopsis 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: Pterospermopsis

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