Diatoms of North AmericaDiatoms of North America
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Compare Stauroneis phoenicenteron

(Nitzsch) Ehrenb. 1843

Compare

Stauroneis baileyi and S. rex have longer and wider valves with more widely spaced striae. Stauroneis gracilis has curved proximal raphe ends.

LM scalebar = 10 µm
Stauroneis phoenicenteron LM5 Stauroneis phoenicenteron LM4 Stauroneis phoenicenteron LM3 Stauroneis phoenicenteron LM2 Stauroneis phoenicenteron LM1
Length Range
129-199 µm
Width Range
26-35 µm
Striae in 10 µm
15-18

Stauroneis rex

Bahls 2010

Stauroneis rex LM6 Stauroneis rex LM2 Stauroneis rex LM5 Stauroneis rex LM1 Stauroneis rex LM3 Stauroneis rex LM7
Length Range
215-386 µm
Width Range
38-60 µm
Striae in 10 µm
12-14

Stauroneis gracilis

Ehrenb. 1843

Stauroneis gracilis LM7 Stauroneis gracilis LM6 Stauroneis gracilis LM1 Stauroneis gracilis LM4 Stauroneis gracilis LM3 Stauroneis gracilis LM2
Length Range
68-127 µm
Width Range
13-22 µm
Striae in 10 µm
15-18

Also compare to

Stauroneis baileyi

Ehrenb.