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Diatoms of the United States is now known as Diatoms of North America.
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Nupela neglecta

Ponader, R.L.Lowe and Potapova in Potapova et al. 2003      Category: Symmetrical biraphid

Nupela lapidosa


Nupela pennsylvanica

SEM scalebar = 1 ┬Ám

Site ID: ANSP NJ000019

Site Name: Coles Brook, NJ

Latitude: 40.911

Longitude: -74.04

Caption: External view of the valve with long raphe slits and dissolved hymens

Contributor: - October 2010