Doodle showing the diatom Plagiogramma Fossil Diatom Atlas
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Solium exsculptum Heiberg (1863)
Fenneria brachiata (Brightwell) Witkowski (2018)
Sextiputeus inornatus Ross & Sims (2000)
Xanthioisthmus panduraeformis (Pantocsek) Suto (2006)
Pyxilla oligocaenica Jousé (1955)
Coscinodiscus rhombicus Castracane (1886)