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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
Genera
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Glossary
About Us
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What are diatoms?
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nrsa0888_08ed.jpg
Species
Nupela frezelii
Site ID
ANSP NRSA0888
Name
Pawtuxet River, RI
Caption
External view of raphe valve
Coordinates
41.71960, -71.47102
Scalebar = 2 µm
