Doodle showing the diatom Plagiogramma Fossil Diatom Atlas
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Solium exsculptum Heiberg (1863)
Pyrgupyxis gracilis (Tempère & Forti) Hendey (1969)
Rossiella fourtanierae Yanagisawa (1995)
Sextiputeus inornatus Ross & Sims (2000)
Sheshukovia mereskovskii (Pantocsek) Gleser (1984)
Fenneria brachiata (Brightwell) Witkowski (2018)