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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
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What are diatoms?
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Gomphonema_gibba_4356A_girdle2.jpg
Species
Gomphonema gibba
Caption
Gomphonema gibba
specimen in girdle view showing pores on girdle band (holotype slide GC 4356A).
Credit
Sylvia Lee and Mark Edlund
