Diatoms of North AmericaDiatoms of North America
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Compare Navicula veneta

Kütz. 1844

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Navicula veneta differs from N. namibica by coarser striae and higher areola density. Navicula cryptocephala is larger, with more protracted ends and larger, circular central area.

LM scalebar = 10 µm
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 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

Navicula libonensis

Schoeman 1969

Gs138229 Nalib3 Navicula libonensis LM3 Gs138229 Nalib1 Gs138229 Nalib2 Navicula libonensis LM2 Navicula libonensis LM1
Length Range
27-35 µm
Width Range
5.9-7.0 µm
Striae in 10 µm
12-13

Also compare to

Navicula namibica

Lange-Bert. and Rumrich