Fig. 3. Scanning electron microscope photographs of diatoms found in the Chipoco river. (A) Epithemia turgida (Ehrenberg) Kützing 1844. (B) Amphora pediculus, (C) Amphora sp., (D) Caloneis bacillum, (E) Achnanthidium minutissimum, (F) Simonsenia delognei, (G) Rhopalodia gibberula, (H) Nitzschia linearis, (I) Cyclotella sp., (J) Rhoicosphenia abbreviata, (K) Pinnularia sp.
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