Doodle showing the diatom Plagiogramma Fossil Diatom Atlas
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Cortinocornus rossicus (Pantocsek) Gleser (1984)
Liradiscus ovalis Greville (1865)
Archaegoniothecium sutoi Witkowski, Harwood & Kulikovskiy (2012)
Eunotia striata (Grove & Sturt) Grunow (1889)
Pyxilla oligocaenica Jousé (1955)
Brightwellia coronata (Brightwell) Ralfs in Pritchard (1861)