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Diatoms of North AmericaDiatoms of North America
Diatoms of North America
  • Practitioners
  • Morphology
    • Centric
    • Araphid
    • Eunotioid
    • Symmetric Biraphid
    • Monoraphid
    • Asymmetric Biraphid
    • Epithemioid
    • Nitzschioid
    • Surirelloid
  • Genera
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  • What are diatoms?
Diatoms of North America
Morphological Category
  • Surirelloid

    • Centric
    • Araphid
    • Eunotioid
    • Symmetric Biraphid
    • Monoraphid
    • Asymmetric Biraphid
    • Epithemioid
    • Nitzschioid
    • Surirelloid

Characteristics

  • Valves with bilateral symmetry (symmetric about a line)
  • Raphe system well developed and enclosed within a canal
  • Raphe often circumferential on the valve margin and raised onto a keel

6 Genera

Camplyodiscus Iconic

1Campylodiscus

Cymatopleura Iconic

0Cymatopleura

Entomoneis Iconic 1

4Entomoneis

Iconella iconic

4Iconella

Stenopterobia Iconic

0Stenopterobia

Surirella Iconic Copy Copy

18Surirella

Diatoms of North America

The source for diatom identification and ecology

Cite as: Spaulding et al. 2021. Diatoms.org: supporting taxonomists, connecting communities. Diatom Research 36(4): 291-304. https://doi.org/10.1080/0269249X.2021.2006790

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