Diatoms of North AmericaDiatoms of North America
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Compare Caloneis silicula

(Ehrenb.) Cleve 1894

Caloneis bacillum valves are smaller, with nearly linear margins.

LM scalebar = 10 µm
Length Range
27-45 µm
Width Range
5-7 µm
Striae in 10 µm
14-20
Caloneis Silicula 004
Caloneis Silicula 001
Caloneis Silicula 002
Caloneis Silicula 003
Caloneis Silicula 005
Caloneis Silicula 004 Caloneis Silicula 001 Caloneis Silicula 002 Caloneis Silicula 003 Caloneis Silicula 005

Caloneis bacillum

(Grunow) Cleve 1894

Length Range
8-20 µm
Width Range
3 µm
Striae in 10 µm
25-29
Caloneis bacillum LM1 Caloneis bacillum LM5 Caloneis bacillum LM4 Caloneis bacillum LM2 Caloneis bacillum LM3