Compare Staurosirella berolinensis
Staurosirella pinnata has elliptic and wider valves with shorter lengths. Staurosira construens var. venter has lanceolate valves with acute apices, higher striae density, and a wide axial area. Pseudostaurosira elliptica and P. brevistriata both have a higher stria densities and broad, lanceolate axial areas. Staurosirella ansata has clavate and wider valves with stria that are radiate (Hohn and Hellerman 1963).
LM scalebar = 10 µm
Length Range
12.2-25.9 µm
12.2-25.9 µm
Width Range
1.8-2.3 µm
1.8-2.3 µm
Striae in 10 µm
11-12
11-12
Length Range
4-10 µm
4-10 µm
Width Range
3-4 µm
3-4 µm
Striae in 10 µm
11-14
11-14
Length Range
5-26 µm
5-26 µm
Width Range
4-5.5 µm
4-5.5 µm
Striae in 10 µm
12-16
12-16
Length Range
6-14 µm
6-14 µm
Width Range
3-3.5 µm
3-3.5 µm
Striae in 10 µm
14-16
14-16
Length Range
10-26 µm
10-26 µm
Width Range
3.5-4 µm
3.5-4 µm
Striae in 10 µm
12-15
12-15
