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Cyclotella is a genus of diatoms, which are a type of algae. These diatoms are solitary and free-floating, characterized by their disk-shaped structure. They belong to the family Coscinodiscaceae and are known to sometimes cause aromatic odors in water. Diatoms, as a class within the division Chromophyta, possess silica cell walls, often referred to as frustules. They are commonly found in planktonic environments and are characterized by either radial or bilateral symmetry in their valves.12

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