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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
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What are diatoms?
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NRSA0167_01.jpg
Species
Planothidium delicatulum
Site ID
ANSP NRSA0167
Name
Spring Creek, ND
Caption
Internal view of rapheless valve
Coordinates
47.2557, -101.8082
Scalebar = 5 µm
