Compare Diatoma moniliformis
Diatoma tenuis is the most similar, but has linear valves with capitate apices. Diatoma vulgaris has wider and longer valves.
LM scalebar = 10 µm
Length Range
10–40 µm
10–40 µm
Width Range
2.5-6.0 µm
2.5-6.0 µm
Striae in 10 µm
50-60
50-60
Length Range
15-60 µm
15-60 µm
Width Range
8–12 µm
8–12 µm
Striae in 10 µm
50-60
50-60
Length Range
20-85 µm
20-85 µm
Width Range
2.9-4.9 µm
2.9-4.9 µm
Striae in 10 µm
45-60
45-60
