Compare

Nupela carolina differs from N. frezelii by smaller size, higher striae density and by having a raphe on both valves. Nupela neglecta can be distinguished from N. carolina by reduced raphe slits on one of the valves.

LM scalebar = 10 µm
Nupela carolina LM7 Nupela carolina LM6 Nupela carolina LM4 Nupela carolina LM1 Nupela carolina LM2 Nupela carolina LM3 Nupela carolina LM5
Length Range
5-15 µm
Width Range
2.4-4.4 µm
Striae in 10 µm
42-54

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

Nupela neglecta

Ponader, R.L.Lowe and Potapova in Potapova et al. 2003

Nupela neglecta LM4 Nupela neglecta LM5 Nupela neglecta LM3 Nupela neglecta LM1 Nupela neglecta LM2 Nupela neglecta LM6 Nupela neglecta LM7
Length Range
3-15 µm
Width Range
2.6-4.5 µm
Striae in 10 µm
40-48

Diatoms of North America is running a fundraising campaign to keep the servers in operation. We need you to reach our $25,000 fundraising goal.

If you use and appreciate DONA, make your DONAtion today.

For the Gift Designation, type "diatom" in the search box and select "Diatom Lab Research Fund". This is the designated fund for diatoms.org.