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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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Images of
Psammothidium
sacculus
(J.R. Carter) Bukhtiyarova 1996
Type Specimen
Slide Number
ANSP GC 8223
Site ID
Patrick and Freese (1961) Station 107
Site Name
Freshwater pool at Driftwood, Alaska
Caption
rapheless valve
Scalebar = 10 µm
Slide Number
ANSP GC8223
Site ID
Patrick and Freese (1961) Station 107
Site Name
Freshwater pool at Driftwood, Alaska
Caption
rapheless valve
Scalebar = 10 µm
Slide Number
ANSP GC 8223
Site ID
Patrick& Freese (1961) Station 107
Site Name
Freshwater pool at Driftwood, Alaska
Caption
raphe valve
Scalebar = 10 µm
Slide Number
ANSP GC8223
Site ID
Patrick and Freese (1961) Station 107
Site Name
Freshwater pool at Driftwood, Alaska
Caption
rapheless valve
Scalebar = 10 µm
Slide Number
ANSP GC8223
Site ID
Patrick and Freese (1961) Station 107
Site Name
Freshwater pool at Driftwood, Alaska
Caption
raphe valve
Scalebar = 10 µm
Site ID
Patrick and Freese (1961) Station 107
Site Name
Freshwater pool at Driftwood, Alaska
Caption
raphe valve
Scalebar = 10 µm
Slide Number
ANSP GC8223
Site ID
Patrick and Freese (1961) Station 107
Site Name
Freshwater pool at Driftwood, Alaska
Caption
raphe valve
Scalebar = 10 µm