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Navicula cryptocephala differs from N. veneta by wider lanceolate valves with more protracted apices and by circular central area. Navicula trivialis has larger valves and lower stria density. Navicula notha has smaller central area and proximal raphe ends deflected to the primary side.

LM scalebar = 10 µm
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

Navicula veneta

Kütz. 1844

Gc112144  Nrsa0167  Naven4 Gc112144  Nrsa0167  Naven7 Gc112144  Nrsa0167  Naven1 Gc112144  Nrsa0167  Naven5 Gc112144  Nrsa0167  Naven6 Gc112144  Nrsa0167  Naven3 Gc112144  Nrsa0167  Naven2
Length Range
17-26 µm
Width Range
4.4-5.3 µm
Striae in 10 µm
14-15 in the center valve

Navicula trivialis

Lange-Bert. 1980

Navicula trivialis LM6 Navicula trivialis LM5 Navicula trivialis LM4 Navicula trivialis LM2 Navicula trivialis LM1
Length Range
28-44 µm
Width Range
8-10 µm
Striae in 10 µm
12

Navicula notha

J.H.Wallace 1960

Gs013091 7 Navicula notha LM3 Navicula notha LM1 Drbc0032 8 Drbc0032 17 Navicula notha LM2 Navicula notha LM4
Length Range
18.7-39.3 µm
Width Range
4.1-5.5 µm
Striae in 10 µm
14-17