Doodle showing the diatom Plagiogramma Fossil Diatom Atlas
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Actinoptychus splendens (Shadbolt) Ralfs in Pritchard (1861)
Trinacria anissimovii Jousé (1949)
Rutilaria elliptica Greville (1863)
Sheshukovia flos (Ehrenberg) Gleser (1984)
Psammodiscus praenitidus (Fenner in Schrader & Fenner) Witkowski (2022)
Triceratium blanditum Greville (1861)