Diatoms of North AmericaDiatoms of North America
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Compare Stauroneis circumborealis

Lange-Bert. and Krammer 1999

Compare

Stauroneis sonyae has larger valves with narrower ends and a narrower axial area. Stauroneis heinii has narrower valves, a narrower axial area, and less strongly curved and dilated proximal raphe ends.

LM scalebar = 10 µm
Stauroneis circumborealis LM6 Stauroneis circumborealis LM5 Stauroneis circumborealis LM4 Stauroneis circumborealis LM3 Stauroneis circumborealis LM2 Stauroneis circumborealis LM1
Length Range
81-148 µm
Width Range
20-31 µm
Striae in 10 µm
14-16

Stauroneis heinii

Lange-Bert. and Krammer 1999

Stauroneis heinii LM7 Stauroneis heinii LM6 Stauroneis heinii LM5 Stauroneis heinii LM2 Stauroneis heinii LM1 Stauroneis heinii LM4
Length Range
116-191 µm
Width Range
22-36 µm
Striae in 10 µm
15-17

Stauroneis sonyae

Kulikovskiy, Lange-Bert., Witkowski and Dorofeyuk 2010

Stauroneis sonyae LM6 Stauroneis sonyae LM4 Stauroneis sonyae LM5 Stauroneis sonyae LM3 Stauroneis sonyae LM2 Stauroneis sonyae LM1
Length Range
118-177 µm
Width Range
26-37 µm
Striae in 10 µm
14-16