Doodle showing the diatom Plagiogramma Fossil Diatom Atlas
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Archaegoniothecium langebertalotii Witkowski, Harwood & Kulikovskiy (2012)
Brightwellia coronata (Brightwell) Ralfs in Pritchard (1861)
Pyrgupyxis eocena Hendey (1969)
Craspedodiscus ellipticus Gombos (1982)
Mastogloia sagitta-cupidinis Brun (1896)
Hemiaulus mesolepta (Grunow) Witkowski (2020)