Darkfield photomicrograph, fossil diatoms, Lomita, California, USA, diverse selection of forms

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Photo credit: © Scenics & Science / Alamy / Afripics
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Keywords: actinocyclus, actinoptychus, acuminatum, alpina, amphetras, amphitetras, arachnodiscus, auliscus, biddulpha, brevicosta, centrics, coelatus, cosciodiscus, cyclotella, dactylus, darkfield, ehrenberg, eurotia, gamphonema, major, melosira, micrograph, navicula, neidum, pennates, phoenicenteron, phoenicentrum, photomicrograph, phytoplankton, pinnularia, puncta, raphe, rows, serra, smith, stauroneis, stephanodiscus, striae, symbolophora, triceratium