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  1. Diatoms are single-celled algae that live nearly everywhere there is water - streams, ponds, lakes, oceans, and even soils. Learn more about diatoms For practitioners

    • Practitioners

      Diatoms of North America is created by and for...

    • Morphology

      For the purposes of a visual key, we group diatom shapes...

    • Genera

      Diatoms of North America. The source for diatom...

    • Species

      What are diatoms? Species. Filters. Size Range, µm 3. 11-100...

    • Glossary

      Like the rest of this website, the glossary is a work in...

    • About Us

      Diatoms of North America is a collaborative effort to...

    • What are diatoms

      Diatoms are single-celled algae. Diatoms are algae that live...

    • Centric

      Characteristics. Valves with radial symmetry (symmetric...

  2. Dado que son organismos acuáticos y fotosintéticos, son generalmente consideradas como algas. Las diatomeas son importantes productores primarios, cuyos cloroplastos tienen un tono especial, pardo-dorado, que se debe a la presencia de pigmentos como la fucoxantina, característico de las algas comúnmente llamadas pardas (ej.