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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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Navicula-dilatata-Ehren-orig-image-1854-pl4section2SmithfieldRhodeIslandfig9.JPG
Species
Neidium dilatatum
Caption
Line drawing of specimen from Smithfield, Rhode Island, by Ehrenberg (1854).
