Doodle showing the diatom Plagiogramma Fossil Diatom Atlas
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Pseudopodosira bella Posnova & Gleser in Gleser & Posnova (1964)
Brightwellia coronata (Brightwell) Ralfs in Pritchard (1861)
Pyrgupyxis eocena Hendey (1969)
Distephanosira gleichiae Witkowski (2022)
Hemiaulus inaequilaterus Gombos (1976)
Hemiaulus incurvus Schibkova in Krotov & Schibkova (1959)