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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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Glossary
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What are diatoms?
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K_clevei_rapheLM.jpg
Glossary Term
Raphe
Caption
The arrow points to one of the branches of the raphe system on the raphe valve of
Karayevia clevei
(LM). This is a monoraphid diatom, meaning that only one valve of the frustule has a raphe system. This valve has a simple raphe.
Credit
Marina Potapova
