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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?
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fastigium-girdle.jpg
Glossary Term
Fastigium
Caption
Girdle view of a frustule of
Tursiocola
with arrows marking fastigia and one of the valve mantles (SEM). Scale bar = 2 µm.
Credit
Tom Frankovich
