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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
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What are diatoms?
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CCplac_NCPA0173_07.jpg
Species
Cocconeis placentula
Site ID
ANSP NCPA0173
Name
Calhoun Branch of Trout Run, PA
Caption
raphe valve, internal view
Coordinates
41.45117, -77.94769
Notes
note fimbriae extending from valvocopula
Scalebar = 5 µm
