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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
Genera
Species
Glossary
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What are diatoms?
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Muelleria_proximal.jpg
Glossary Term
Proximal raphe fissure
|
Proximal raphe
Caption
Scanning electron micrograph of an external view of
Muelleria
. The external proximal raphe fissures are unilaterally deflected, or bent, to the same side of the valve.
Credit
Sarah Spaulding
