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Pachysphaeridium balticum
General
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Stratigraphy
Description
Literature
Notes
Year
Author
Title
1951
Eisenack, A.
Über Hystrichosphaerideen und andere Kleinformen aus baltischem Silur und Kambrium.
1999
Ribecai, C. and Tongiorgi, M.
The Ordovician acritarch genus Pachyshaeridium Burmann 1970: new, revised and reassigned species
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