Compare Staurosira stevensonii
Compare
Staurosira construens, Staurosirella leptostauron, and Fragilariforma horstii do not extend more than the length of the inflated central area toward the ends. Staurosira construens is shorter in length. Staurosirella leptostauron has coarser, wider striae and a wider axial area. Fragilariforma horstii has a greater stria density.
LM scalebar = 10 µm
Length Range
17.6-21 µm
17.6-21 µm
Width Range
6.9-8.5 µm
6.9-8.5 µm
Striae in 10 µm
13.7-19.2
13.7-19.2
Fragilariforma horstii
Length Range
6.3-19.9 µm
6.3-19.9 µm
Width Range
6.1-11.7 µm
6.1-11.7 µm
Striae in 10 µm
34 in center to 40 ends
34 in center to 40 ends