Diatoms of North AmericaDiatoms of North America
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Compare Navicula cryptofallax

Lange-Bert. and G.Hofm. 1993

Navicula cryptofallax is distinguished from N. cryptocephala by its narrower apices, small and irregular central area, and proximal raphe ends that are only weakly expanded. Specimens from North America are a bit wider than those from Europe.

LM scalebar = 10 µm
Navicula cryptofallax LM6 Navicula cryptofallax LM5 Navicula cryptofallax LM4 Navicula cryptofallax LM3 Navicula cryptofallax LM2 Navicula cryptofallax LM1
Length Range
25-33 µm
Width Range
5.8-7.2 µm
Striae in 10 µm
14-16
Navicula cryptocephala LM4 Navicula cryptocephala LM6 Navicula cryptocephala LM2 Navicula cryptocephala LM7 Navicula cryptocephala LM5 Navicula cryptocephala LM1 Navicula cryptocephala LM3
Length Range
21-34 µm
Width Range
5.2-6.5 µm
Striae in 10 µm
15-17