Compare Sellaphora vincentiana
Compare
Sellaphora stauroneioides is larger, with clear hyaline areas at the apices and more linear valves.
Sellaphora pseudoarvensis has linear valve margins, curved raphe branches, subcapitate apices, and lacks visible striae.
Navicula arvensoides has a triundulate valve margin, broad rostrate apices, and striae are visible in LM.
LM scalebar = 10 µm
Length Range
8-18.5 µm
8-18.5 µm
Width Range
2.5-4.5 µm
2.5-4.5 µm
Striae in 10 µm
49-51
49-51
Sellaphora stauroneioides
Length Range
22.2-30.6 µm
22.2-30.6 µm
Width Range
6.2-6.9 µm
6.2-6.9 µm
Striae in 10 µm
28-31 at mid-valve, unresolvable high density toward the apices
28-31 at mid-valve, unresolvable high density toward the apices