Compare Stauroneis livingstonii
Compare
Stauroneis smithii has pronounced triundulate valves with very weakly radiate striae. Valves of S. smithii var. incisa are less than 6 µm wide. Stauroneis smithii var. sagitta has narrow lanceolate valves 4-5 µm wide. Stauroneis ignorata and S. ignorata var. rupestris have parallel striae. Stauroneis prominula has linear valves with parallel or slightly concave margins. Stauroneis undata has a wide stauros shaped like a bow tie and broad, bluntly rounded apices.
LM scalebar = 10 µm
Length Range
28-38 µm
28-38 µm
Width Range
6.6-8.6 µm
6.6-8.6 µm
Striae in 10 µm
22-28
22-28
