Diatoms of North AmericaDiatoms of North America
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Compare Nupela subrostrata

(Hust.) Potapova 2011

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Nupela subrostrata is very similar to N. lapidosa and differs only by its more linear valve shape. Nupela frezelii has higher striae density than N. subrostrata.

LM scalebar = 10 µm
Nupela subrostrata LM5 Nupela subrostrata LM3 Nupela subrostrata LM2 Nupela subrostrata LM6 Nupela subrostrata LM4 Nupela subrostrata LM1
Length Range
14-29 µm
Width Range
3.4-5.1 µm
Striae in 10 µm
20-24

Nupela lapidosa

(Krasske) Lange-Bert. 1999

Gc53753 22Ed Gc53753 19Ed Gc53753 17Ed Nupela lapidosa LM3 Nupela lapidosa LM2 Nupela lapidosa LM1
Length Range
10-28 µm
Width Range
3.6-6.6 µm
Striae in 10 µm
20-24

Nupela frezelii

Potapova 2011

Gs024284 Nufrezeli 2B Me000029 Nufrez 5A Ed Nupela frezelii LM3 Nupela frezelii LM1 Nupela frezelii LM1 Nupela frezelii LM2 Me000029 Nufr 4A Ed
Length Range
10-29 µm
Width Range
3.8-6.3 µm
Striae in 10 µm
29-33