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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
Genera
Species
Glossary
About
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What are diatoms?
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Lacinia_example_2_with_arrow.jpg
Glossary Term
Lacinia
Caption
A lacinia (at arrow) is covering the external raphe ending on this
Neidium
valve (SEM).
Credit
Lane Allen
