Doodle showing the diatom Plagiogramma Fossil Diatom Atlas
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Triceratium lineatum Greville (1863)
Trilamina nitescens (Greville) Witkowski, Sims, Strelnikova & Williams (2015)
Pyrgupyxis gracilis (Tempère & Forti) Hendey (1969)
Liradiscus ovalis Greville (1865)
Entogoniopsis foveatamorpha Witkowski (2020)
Crawfordia radiata (Brightwell) Sims, Witkowski & César (2021)