by Geoffrey Playford
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Late devonian acritarchs from the Carnar...
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 ...
Systematics and biostratigraphy of the o...
Mikrofossilii drevneǐshikh otlozheniǐ
Mikrofossilii drevneĭshikh otlozheniĭ
Organic walled phytoplankton from the Ba...
Miospores and organic-walled microphytop...