Doodle showing the diatom Plagiogramma Fossil Diatom Atlas
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Rutilaria areolata Sheshukova-Poretskaya in Sheshukova-Poretskaya & Gleser (1964) (1964)
Trinacria regina Heiberg (1863)
Crawfordia radiata (Brightwell) Sims, Witkowski & César (2021)
Actinoptychus splendens (Shadbolt) Ralfs in Pritchard (1861)
Hemiaulus echinulatus Jousé (1951)
Hemiaulus asymmetricus Jousé (1951)