Doodle showing the diatom Plagiogramma Fossil Diatom Atlas
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Entogoniopsis morlandii (Grove & Sturt) Witkowski, Sims, Strelnikova & Williams (2015)
Auliscus propinquus Grove & Sturt (1887)
Medlinia deciusii (Hanna) Nikolaev & Kociolek in Nikolaev et al. (2001)
Crawfordia radiata (Brightwell) Sims, Witkowski & César (2021)
Archaegoniothecium sutoi Witkowski, Harwood & Kulikovskiy (2012)
Hemiaulus asymmetricus Jousé (1951)