Doodle showing the diatom Plagiogramma Fossil Diatom Atlas
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Actinoptychus maculatus (Grove & Sturt) Schmidt (1888)
Sturtiella elegans (Grove & Sturt) Simonsen & Schrader (1973)
Brightwellia coronata (Brightwell) Ralfs in Pritchard (1861)
Actinoptychus heterostrophus Schmidt (1875)
Araniscus lewisianus (Greville) Komura (1998)
Rossiella symmetrica Fenner (1984)