Diatoms of North AmericaDiatoms of North America
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Compare Navicula vilaplanii

(Lange-Bert. and Sabater) Lange-Bert. and Sabater in Rumrich et al. 2000

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Navicula tenelloides has less protracted apices, more radiate central striae, and higher stria and areola density.

Navicula longicephala has rostrate to capitate apices.

Navicula pseudotenelloides is more linear in valve outline.

LM scalebar = 10 µm
Navicula vilaplanii LM6 Navicula vilaplanii LM5 Navicula vilaplanii LM1 Navicula vilaplanii LM4 Navicula vilaplanii LM7 Navicula vilaplanii LM2 Navicula vilaplanii LM3
Length Range
12-15.5 µm
Width Range
2.5-3.3 µm
Striae in 10 µm
20-24

Navicula longicephala

Hust. 1944

Navicula longicephala LM2 Navicula longicephala LM3 Navicula longicephala LM6 Navicula longicephala LM7 Navicula longicephala LM5 Navicula longicephala LM4 Navicula longicephala LM1
Length Range
17-22 µm
Width Range
3.1-4.0 µm
Striae in 10 µm
18-21

Navicula pseudotenelloides

Krasske 1938

Navicula pseudotenelloides LM1 Navicula pseudotenelloides LM5 Navicula pseudotenelloides LM4 Navicula pseudotenelloides LM3 Navicula pseudotenelloides LM2 Navicula pseudotenelloides LM7 Navicula pseudotenelloides LM6
Length Range
18-25 µm
Width Range
2.7-3.3 µm
Striae in 10 µm
13-14

Also compare to

Navicula tenelloides