Diatoms of North AmericaDiatoms of North America
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Compare Diatoma moniliformis

Kütz. 1833

Compare

Diatoma tenuis is the most similar, but has linear valves with capitate apices. Diatoma vulgaris has wider and longer valves.

LM scalebar = 10 µm
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

Diatoma vulgaris

Bory 1824

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 tenuis

C.Agardh 1812

Diatoma tenuis LM7 Diatoma tenuis LM6 Diatoma tenuis LM4 Diatoma tenuis LM5 Diatoma tenuis LM1 Diatoma tenuis LM3 Diatoma tenuis LM2
Length Range
20-85 µm
Width Range
2.9-4.9 µm
Striae in 10 µm
45-60

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