CATALOG - Orthosphaeridium

Folder trail: Acritax_JWIP -> O -> Orthosphaeridium
Folders this level: << < Olenekus, Oligopogonium, Ollula, Omalophyma, Onondagella, Ooidium, Operculites, Ophiobolus, Oppilatala, Oraveczia, Orbiculus, Orculiphycus, Ordovicidium, Orgulla, Ornatasphaera, Orthosphaeridium, Orygmahapsis, Orygmatosphaeridium, Osagia, Oscillatoria, Oscillatoriopsis, Osculosphaera, Oshania, Ostiana, Ostiumsphaeridium, Oudhkusumites, Ovidiscina, Ovnia, Ovulum, Ovum, > >>

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

Orthosphaeridium abbreviatum
Orthosphaeridium bispinosum
Orthosphaeridium chondrododora
Orthosphaeridium clavum
Orthosphaeridium densigranosum
Orthosphaeridium densiverrucosum
Orthosphaeridium extensum
Orthosphaeridium gaspesianum
Orthosphaeridium inflatum
Orthosphaeridium insculpton
Orthosphaeridium irregulare
Orthosphaeridium latispinosum
Orthosphaeridium macroceros
Orthosphaeridium occultatum
Orthosphaeridium octospinosum
Orthosphaeridium procerum
Orthosphaeridium quadricornis
Orthosphaeridium quadrinatum
Orthosphaeridium rectangulare
Orthosphaeridium sp. A Mullins 2004
Orthosphaeridium ternatum
Orthosphaeridium trabeculatum
Orthosphaeridium transitorium
Orthosphaeridium trriangulare
Orthosphaeridium vibrissiferum

Current identification/main database link:

Rank: Genus


Acritax - Acritax_JWIP - Orthosphaeridium 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: Orthosphaeridium

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