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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
Genera
Species
Glossary
About Us
News
Projects
Review Board
Taxon Contributors
Contact Us
What are diatoms?
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Images of
Psammothidium
alpinum
Potapova and Enache 2013
Type Specimen
Slide Number
ANSP GC64862
Site ID
ANSP _WACA019
Site Name
Snow Lake, WA
Coordinates
46.7576, -121.6982468
Caption
Raphe valve of initial cell
Scalebar = 10 µm
Slide Number
ANSP GC64862
Site ID
ANSP _WACA019
Site Name
Snow Lake, WA
Coordinates
46.7576, -121.6982468
Caption
Rapheless valve
Scalebar = 10 µm
Slide Number
ANSP GC64862
Site ID
ANSP _WACA019
Site Name
Snow Lake, WA
Coordinates
46.7576, -121.6982468
Caption
Rapheless valve
Scalebar = 10 µm
Slide Number
ANSP GC64862
Site ID
ANSP _WACA019
Site Name
Snow Lake, WA
Coordinates
46.7576, -121.6982468
Caption
Raphe valve
Scalebar = 10 µm
Slide Number
ANSP GC64862
Site ID
ANSP _WACA019
Site Name
Snow Lake, WA
Coordinates
46.7576, -121.6982468
Caption
Rapheless valve
Scalebar = 10 µm
Slide Number
ANSP GC64862
Site ID
ANSP _WACA019
Site Name
Snow Lake, WA
Coordinates
46.7576, -121.6982468
Caption
Raphe valve
Scalebar = 10 µm
Slide Number
ANSP GC64862
Site ID
ANSP _WACA019
Site Name
Snow Lake, WA
Coordinates
46.7576, -121.6982468
Caption
Rapheless valve
Scalebar = 10 µm
Site ID
ANSP _WACA019
Name
Snow Lake, WA
Coordinates
46.7576, -121.6982
Caption
External; view of raphe valve
Scalebar = 5 µm
Site ID
ANSP_WACA018
Name
Hidden lake, WA
Coordinates
48.4958, -121.1889
Caption
External view of rapheless valve
Scalebar = 5 µm