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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
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Images of
Cyclostephanos
dubius
(Fricke) Round in E.C.Ther. et al. 1987
Type Specimen
Slide Number
ILH L-11-1
Site Name
Beck’s canal, West Lake Okoboji, Iowa
Coordinates
43.37242, 95.17301
Scalebar = 10 µm
Slide Number
ILH L-11-1
Site Name
Beck’s canal, West Lake Okoboji, Iowa
Coordinates
43.37242, 95.17301
Scalebar = 10 µm
Slide Number
ILH L-11-1
Site Name
Beck’s canal, West Lake Okoboji, Iowa
Coordinates
43.37242, 95.17301
Scalebar = 10 µm
Slide Number
ILH L-11-1
Site Name
Beck’s canal, West Lake Okoboji, Iowa
Coordinates
43.37242, 95.17301
Scalebar = 10 µm
Slide Number
ILH L-11-1
Site Name
Beck’s canal, West Lake Okoboji, Iowa
Coordinates
43.37242, 95.17301
Scalebar = 10 µm
Name
Beck’s canal, West Lake Okoboji, Iowa
Coordinates
43.37242, 95.17301
Caption
Internal view, edge of valve
Notes
Image by Stephen Main
Scalebar = 2 µm
Name
Beck’s canal, West Lake Okoboji, Iowa
Coordinates
43.37242, 95.17301
Caption
Internal view of valve
Notes
Image by Stephen Main
Scalebar = 10 µm