Doodle showing the diatom Plagiogramma Fossil Diatom Atlas
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Rossiella symmetrica Fenner (1984)
Asterolampra insignis Schmidt (1888)
Asterolampra vulgaris Greville (1862)
Anuloplicata ornata (Grunow) Gleser in Gleser et al. (1992)
Actinoptychus pericavatus Brun (1891)
Arachnoidiscus clarus Brown (1933)