Diatoms of North AmericaDiatoms of North America
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Compare Diploneis krammeri

Lange-Bert. and E.Reichardt in Rumrich et al. 2000

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Diploneis calcilacustris is similar in length and width. Diploneis mollenhaueri has strictly elliptic valves with obtusely rounded ends and larger central area, 6.5–8.0 µm wide.

LM scalebar = 10 µm
Diploneis krammeri LM4 Diploneis krammeri LM5 Diploneis krammeri LM6
Length Range
31-49 µm
Width Range
15-16 µm
Striae in 10 µm
11-12

Diploneis calcilacustris

Lange-Bert. and Fuhrmann 2016

Diploneis calcilacustris LM1 Diploneis calcilacustris LM3 Diploneis calcilacustris LM2 Diploneis calcilacustris LM4 Diploneis calcilacustris LM5 Diploneis calcilacustris LM6 Diploneis calcilacustris LM7
Length Range
20–32 µm
Width Range
11–15 µm
Striae in 10 µm
11-13

Diploneis mollenhaueri

Lange-Bert. and Fuhrmann 2020

Diploneis mollenhaueri LM1 Diploneis mollenhaueri LM2 Diploneis mollenhaueri LM3
Length Range
46-60 µm
Width Range
20-21.5 µm
Striae in 10 µm
12-13