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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
Genera
Species
Glossary
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Taxon Contributors
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What are diatoms?
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Images of
Tetracyclus
glans
(Ehrenberg) Mills 1935
Type Specimen
Slide Number
INSTAAR Diatom Collection 15107
Site ID
INSTAAR Diatom Collection 15107
Site Name
Talapus Lake, WA
Coordinates
47.413978, -121.516391
Caption
septum
Scalebar = 10 µm
Slide Number
INSTAAR Diatom Collection 15106
Site ID
INSTAAR Diatom Collection 15106
Site Name
South Fork Snoqualmie River
Coordinates
47.446303, -121.700753
Notes
Downstream of Twin Falls
Scalebar = 10 µm
Slide Number
INSTAAR Diatom Collection 15106
Site ID
INSTAAR Diatom Collection 15106
Site Name
South Fork Snoqualmie River
Coordinates
47.446303, -121.700753
Notes
Downstream of Twin Falls
Scalebar = 10 µm
Slide Number
INSTAAR Diatom Collection 15106
Site ID
INSTAAR Diatom Collection 15106
Site Name
South Fork Snoqualmie River
Coordinates
47.446303, -121.700753
Notes
Downstream of Twin Falls
Scalebar = 10 µm
Slide Number
CAS 183038
Site ID
CAS 183038
Site Name
Lake Ozette, WA
Notes
T30N, R15W, Sec 31, littoral, boat float. Collected by H.E. Sovereign on 26 April 1941.
Scalebar = 10 µm
Slide Number
CAS 183038
Site ID
CAS 183038
Site Name
Lake Ozette, WA
Notes
T30N, R15W, Sec 31, littoral, boat float. Collected by H.E. Sovereign on 26 April 1941.
Scalebar = 10 µm