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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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NCPA_000208_ed.jpg
Species
Psammothidium scoticum
Site ID
GCM4217
Name
Sones Pond, PA
Caption
internal view of rapheless valve
Coordinates
41.47158, -76.51524
Scalebar = 2 µm