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Hystrichosphaeridium picorricum
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Stratigraphy
Description
Literature
Notes
Year
Author
Title
1973a
Andreeva, E.M.
Rukovodyashchie komplesky rastitelnykh microfossilii verkhneproterozoiskikh i nizhnepaleozoiskihh otlozhenii Russki platformy
1979
Colbath, G.K.
Organic-walled microphytoplankton from the Elden Shale(Upper Ordovician), Indiana, USA.
1964b
Cramer, F.H.
Microplancton from three Palaeozoic formations in the Province de Leon, NW Spain.
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