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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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NCPA0058_04_ed.jpg
Species
Psammothidium bioretii
Site ID
ANSP GCM4273
Name
Rock Run, PA
Caption
internal view of rapheless valve
Coordinates
41.53519, -76.89167
Scalebar = 2 µm
