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Oligosphaeridium irregulare
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General Images Stratigraphy Description Literature Notes
Year Author Title
Palynology of the Lower Colorado Group, central Alberta, Canada, I. Introduction remarks. Geology and microplankton studies
Generic reallocations
Re-examination of Mesozoic Canadian dinoflagellate cysts published by S.A.J. Pocock (1962, 1972)
Microfloral analysis and age determination of strata at the Jurassic-Cretaceous boundary in the western Canada plains
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