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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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Craticula_3_L_9_62.jpg
Glossary Term
Craticula
Caption
Deep level of focus showing both the craticula and the radiate striae of the heribaudii stage.
Credit
Sarah Spaulding
