Diatom Image Database   Click on an image to see a larger version
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Trachyneis aspera (Ehrenberg) CleveTrachyneis aspera (Ehrenberg) CleveTrachyneis aspera (Ehrenberg) CleveTrachyneis aspera (Ehrenberg) Cleve pulchella (W. Smith) Cleve
Trachyneis aspera (Ehrenberg) Cleve pulchella (W. Smith) CleveTrachyneis aspera (Ehrenberg) Cleve pulchella (W. Smith) CleveTrachyneis aspera (Ehrenberg) Cleve pulchella (W. Smith) CleveTrachyneis clepsydra (Donkin) Cleve