Diatoms of North AmericaDiatoms of North America
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Compare Diploneis puellafallax

Lange-Bert. and Fuhrmann 2016

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Diploneis calcilacustris is larger and the striae are uniseriate. Diploneis puella is biseriate, but the valves are smaller and the central area is smaller, rectangular in shape.

LM scalebar = 10 µm
Diploneis puellafallax LM2 Diploneis Puellafallax Lm4 Diploneis puellafallax LM1
Length Range
20–22 µm
Width Range
11-13 µm
Striae in 10 µm
12-14

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 puella

(Schumann) Cleve 1894

Diploneis puella LM4 Diploneis puella LM5 Diploneis puella LM3 Diploneis puella LM2 Diploneis puella LM6 Diploneis puella LM1
Length Range
10-12 µm
Width Range
6-7 µm
Striae in 10 µm
14-15