by Geoffrey Playford
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Lower carboniferous spores from the Bona...
Organic-walled microphytoplankton of the...
Spores from a carboniferous section in t...
Lower to Middle Devonian acritarchs of t...
Miospores from the Mississippian Horton ...
Miospores and organic-walled microphytop...
An annotated bibliographic and geographi...
Paleobiology of the Neoproterozoic Svanb...
Middle and Upper Cambrian acritarch and ...
Uppermost Cambrian and Lower Ordovician ...
The acritarchs and Chitinozoa from the W...
Cambrian acritarchs from Upper Silesia, ...