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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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bennettella-ceticola-external-distal-raphe-end-1.jpg
Glossary Term
Crista marginalis
Caption
External view of distal raphe end of
Bennettella ceticola
(SEM). White arrows mark the crista marginalis. Scale bar = 1 µm.
Credit
Tom Frankovich
