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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
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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

1Cymatopleura

Entomoneis Iconic 1

4Entomoneis

Iconella iconic

2Iconella

Stenopterobia Iconic

0Stenopterobia

Surirella Iconic Copy Copy

18Surirella

Surirella Iconic Copy Copy

18Surirella

Stenopterobia Iconic

0Stenopterobia

Iconella iconic

2Iconella

Entomoneis Iconic 1

4Entomoneis

Cymatopleura Iconic

1Cymatopleura

Camplyodiscus Iconic

1Campylodiscus

3Campylodiscus
3Cymatopleura
7Entomoneis
6Iconella
5Stenopterobia
59Surirella
59Surirella
5Stenopterobia
6Iconella
7Entomoneis
3Cymatopleura
3Campylodiscus

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. doi:10.1080/0269249X.2021.2006790

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