Dactyliosolen
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Dactyliosolen is a genus of diatoms belonging to the family Rhizosoleniaceae.
Diatom
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A diatom is any member of a large group comprising several genera of algae, specifically microalgae, found in the oceans, waterways and soils of the world. Living diatoms make up a significant portion
Selections from Ernst Haeckel's 1904 Kunstformen der Natur (Art Forms of Nature), showing pennate (left) and centric (right) frustules.
Light microscopy of a living diatom. Numbered graduations are 10 micrometres apart
Chaetoceros willei Gran, 1897