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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 Us
News
Projects
Review Board
Taxon Contributors
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What are diatoms?
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septae3.jpg
Glossary Term
Septum
Caption
In this SEM micrograph, septa of
Tabellaria
are marked with arrows. Each septum is attached to a girdle band, or copula. A valve of
Tabellaria
(internal view) lies between the two copulae.
Credit
S. Spaulding
