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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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porelli.jpg
Glossary Term
Porellus
Caption
The apical porefield of
Didymosphenia geminata
is composed of porelli.
Credit
Sarah Spaulding
