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Compare Navicula cryptofallax

Lange-Bert. and G.Hofm. 1993

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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

Kütz. 1844

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

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