Compare Sellaphora javanica
Compare
Sellaphora japonica overlaps in dimensions, however, it is generally broader. The apices of S. japonica are broader and more capitate. At the small end of the size range, S. javanica and S. japonica may be difficult to distinguish.
LM scalebar = 10 µm
Length Range
15-19 µm
15-19 µm
Width Range
4.3-5.5 µm
4.3-5.5 µm
Striae in 10 µm
19-24
19-24
Sellaphora japonica
Length Range
13-24.5 µm
13-24.5 µm
Width Range
5.4-6.1 µm
5.4-6.1 µm
Striae in 10 µm
24-26 at mid-valve, 28 at the ends
24-26 at mid-valve, 28 at the ends