Doodle showing the diatom Plagiogramma Fossil Diatom Atlas
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Hemiaulus inaequilaterus Gombos (1976)
Pyxilla oligocaenica Jousé (1955)
Entogoniopsis morlandii (Grove & Sturt) Witkowski, Sims, Strelnikova & Williams (2015)
Sextiputeus inornatus Ross & Sims (2000)
Actinoptychus pericavatus Brun (1891)
Trinacria anissimovii Jousé (1949)