Doodle showing the diatom Plagiogramma Fossil Diatom Atlas
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Actinoptychus simbirskianus Schmidt (1875)
Trinacria simulacrum Grove & Sturt (1887)
Actinoptychus virginicus (Grunow) Andrews (1976)
Anthodiscina floreata (Grove & Sturt) Silva (1970)
Entogoniopsis polycistinora (Pantocsek ex Tempère) Strelnikova, Sims, Witkowski & Williams (2015)
Auliscus actinoptychoides Gleser in Gleser & Posnova (1964)