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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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Glossary
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Images of
Neidium
iridis
(Ehrenb.) Cleve 1894
Type Specimen
Slide Number
INSTAAR 17618
Site ID
Back Pond
Site Name
Allen Farm, Bowie County, Texas
Coordinates
33.500319, -94.546789
Scalebar = 10 µm
Slide Number
INSTAAR 17620
Site ID
Back Pond
Site Name
Allen Farm, Bowie County, Texas
Coordinates
33.500319, -94.546789
Scalebar = 10 µm
Slide Number
INSTAAR 17619
Site ID
Back Pond
Site Name
Allen Farm, Bowie County, Texas
Coordinates
33.500319, -94.546789
Scalebar = 10 µm
Slide Number
INSTAAR 17618
Site ID
Back Pond
Site Name
Allen Farm, Bowie County, Texas
Coordinates
33.500319, -94.546789
Scalebar = 10 µm
Slide Number
INSTAAR 17620
Site ID
Back Pond
Site Name
Allen Farm, Bowie County, Texas
Coordinates
33.500319, -94.546789
Scalebar = 10 µm
Slide Number
INSTAAR 17619
Site ID
Back Pond
Site Name
Allen Farm, Bowie County, Texas
Coordinates
33.500319, -94.546789
Scalebar = 10 µm
Site ID
INSTAAR 17619
Name
Allen Farm, Bowie County, Texas
Coordinates
33.500319, -94.546789
Caption
External view of the central area. Note the areolae become larger near the valve margin.
Scalebar = 10 µm
Site ID
INSTAAR 17619
Name
Allen Farm, Bowie County, Texas
Coordinates
33.500319, -94.546789
Caption
Internal view of valve apex.
Scalebar = 10 µm
Site ID
INSTAAR 17619
Name
Allen Farm, Bowie County, Texas
Coordinates
33.500319, -94.546789
Caption
External view of an apex. Note the row of depressions along one side of the raphe and the single row of areolae within the longitudinal canal.
Scalebar = 10 µm