Doodle showing the diatom Plagiogramma Fossil Diatom Atlas
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Costopyxis schulzii (Steinecke) Gleser (1984)
Triceratium blanditum Greville (1861)
Glorioptychus callidus Hanna (1927)
Triceratium unguiculatum Greville (1864)
Cylindrospira simsiae Mitlehner (1995)
Arachnoidiscus clarus Brown (1933)