Diatoms of North AmericaDiatoms of North America
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Compare Navicula aitchelbee

Bahls 2012

Compare

Navicula cincta var. rostrata has rostrate apices. Navicula cryptocephala has a rounded central area and striae that are curved about the central area. Navicula cryptofallax has narrower apices and a lanceolate central area. Navicula veneta has wedge-shaped apices and a transverse central area. Navicula caterva is smaller and has finer striae and a smaller central area.

LM scalebar = 10 µm
Navicula aitchelbee LM6 Navicula aitchelbee LM5 Navicula aitchelbee LM4 Navicula aitchelbee LM3 Navicula aitchelbee LM2 Navicula aitchelbee LM1
Length Range
20-36 µm
Width Range
4.8-7.0 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

Navicula cryptofallax

Lange-Bert. and G.Hofm. 1993

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 caterva

M.H.Hohn and Hellerman 1963

Navicula caterva LM2 Navicula caterva LM1 Navicula caterva LM5 Navicula caterva LM8 Navicula caterva LM1 Navicula caterva LM3 Navicula caterva LM7
Length Range
14.8-20.0 µm
Width Range
4.4-5.0 µm
Striae in 10 µm
18-20

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

Also compare to

Navicula cincta var. rostrata

Reimer 1961