Doodle showing the diatom Plagiogramma Fossil Diatom Atlas
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Aulacodiscus excavatus Schmidt (1876)
Crawfordia radiata (Brightwell) Sims, Witkowski & César (2021)
Coscinodiscus rhombicus Castracane (1886)
Rutilaria areolata Sheshukova-Poretskaya in Sheshukova-Poretskaya & Gleser (1964) (1964)
Pyrgupyxis gracilis (Tempère & Forti) Hendey (1969)
Trinacria anissimovii Jousé (1949)