Diatoms of North AmericaDiatoms of North America
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Compare Stauroneis acidoclinatopsis

Van de Vijver and Lange-Bert. 2004

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Stauroneis reichardtii is smaller, has a broader stauros, and has straight proximal raphe ends.

Stauroneis acidoclinata and S. amphicephala have a stauros that is expanded at the valve margin and rostrate apices.

LM scalebar = 10 µm
Stauroneis acidoclinatopsis LM5 Stauroneis acidoclinatopsis LM4 Stauroneis acidoclinatopsis LM3 Stauroneis acidoclinatopsis LM2 Stauroneis acidoclinatopsis LM1
Length Range
57-61 µm
Width Range
10-12 µm
Striae in 10 µm
23-25

Stauroneis acidoclinata

Lange-Bert. and Werum 2004

Stauroneis acidoclinata LM7 Stauroneis acidoclinata LM6 Stauroneis acidoclinata LM5 Stauroneis acidoclinata LM3 Stauroneis acidoclinata LM2 Stauroneis acidoclinata LM1
Length Range
35-70 µm
Width Range
7.4-11.5 µm
Striae in 10 µm
19-24

Stauroneis amphicephala

Kütz. 1844

Stauroneis amphicephala LM5 Stauroneis amphicephala LM4 Stauroneis amphicephala LM3 Stauroneis amphicephala LM2 Stauroneis amphicephala LM1 Stauroneis amphicephala LM6
Length Range
55-82 µm
Width Range
11.0-16.8 µm
Striae in 10 µm
18-21

Stauroneis reichardtii

Lange-Bert., Cavacini, Tagliaventi, and Alfinito 2003

Stauroneis reichardtii LM6 Stauroneis reichardtii LM4 Stauroneis reichardtii LM5 Stauroneis reichardtii LM3 Stauroneis reichardtii LM2 Stauroneis reichardtii LM1
Length Range
36-54 µm
Width Range
8.0-10.8 µm
Striae in 10 µm
20-26