Doodle showing the diatom Plagiogramma Fossil Diatom Atlas
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Actinoptychus maculatus (Grove & Sturt) Schmidt (1888)
Aulacodiscus septus Schmidt (1876)
Arachnoidiscus ehrenbergii Bailey ex Ehrenberg (1849)
Actinodiscus corolla (Brun) Ross & Sims (2000)
Rosaforma paillesiae Figus & Witkowski (2024)
Trilamina tripes (Brun) Witkowski, Sims, Strelnikova & Williams (2015)