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Navicula geronimensis is similar to N. tripunctata in valve size and shape, but can be distinguished by its asymmetrical central area and deflected proximal raphe ends.

LM scalebar = 10 µm
Gs023353  Nageron4 Gs023353  Nageron1 Gs023353  Nageron2 Gs023353  Nageron3
Length Range
46-50 µm
Width Range
8-9 µm
Striae in 10 µm
9-10

Navicula tripunctata

(O.F.Müll.) Bory 1822

Navicula tripunctata LM6 Navicula tripunctata LM4 Navicula tripunctata LM8 Navicula tripunctata LM10 Navicula tripunctata LM2 Navicula tripunctata LM12 Navicula tripunctata LM14
Length Range
32-60 µm
Width Range
6–10 µm
Striae in 10 µm
9–12