Compare Stauroneis akamina
Stauroneis akamina belongs to a group of medium to large Stauroneis species with oblong areolae that are often irregularly spaced. It differs from S. nobilis by its smooth valve outline and smaller size. Stauroneis alabamae is larger and has a lower stria density. Stauroneis margaritorae is shorter (60-90 µm) with narrower valves (13-16 µm). Stauroneis nobilis var. minima has smaller valves with narrower apices. Stauroneis baconiana has linear valves that are much narrower.
LM scalebar = 10 µm
Length Range
63-140 µm
63-140 µm
Width Range
16-24 µm
16-24 µm
Striae in 10 µm
16-22
16-22
Length Range
73-139 µm
73-139 µm
Width Range
9-18 µm
9-18 µm
Striae in 10 µm
16 in the center, 20 at the ends
16 in the center, 20 at the ends
