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Diatoma vulgaris is similar in valve outline to short cells of D. moniliformis. Valves of D. vulgaris are wider.

LM scalebar = 10 µm
Diatoma vulgaris LM4 Diatoma vulgaris LM3 Diatoma vulgaris LM5 Diatoma vulgaris LM1 Diatoma vulgaris LM2
Length Range
15-60 µm
Width Range
8–12 µm
Striae in 10 µm
50-60

Diatoma moniliformis

Kütz. 1833

Diatoma moniliformis LM4 Diatoma moniliformis LM3 Diatoma moniliformis LM5 Diatoma moniliformis LM1 Diatoma moniliformis LM2
Length Range
10–40 µm
Width Range
2.5-6.0 µm
Striae in 10 µm
50-60

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