Diatoms of North AmericaDiatoms of North America
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Compare Nupela potapovae

Bahls 2011

Compare

Nupela impexiformis are elliptic-lanceolate and lack the four central depressions. While N. rhetica possesses four central spots, it lacks capitate apices. Nupela tenuicephala has wider valves and capitate ends.

LM scalebar = 10 µm
Nupela potapovae LM4 Nupela potapovae LM2 Nupela potapovae LM6 Nupela potapovae LM1 Nupela potapovae LM5 Nupela potapovae LM3
Length Range
20.9-24.2 µm
Width Range
3.2-4.4 µm
Striae in 10 µm
42-46

Nupela impexiformis

(Lange-Bert. in Lange-Bert. and Krammer) Lange-Bert. 1999

Nupela impexiformis LM7 Nupela impexiformis LM1 Nupela impexiformis LM3 Nupela impexiformis LM6 Nupela impexiformis LM5 Nupela impexiformis LM4 Nupela impexiformis LM2
Length Range
14-17 µm
Width Range
3.8-4.6 µm
Striae in 10 µm
44-50

Also compare to

Nupela rhetica

(Wuthrich) Lange-Bert. 1993