Compare Gomphonella pseudookunoi
Compare
Gomphoneis olivaceoides is distinguished by its costate striae and more slender valves. Gomphoneis quadripunctata also has four isolated stigmoids in the central area, but is both larger and more broad.
LM scalebar = 10 µm
Length Range
11-30 µm
11-30 µm
Width Range
4-7 µm
4-7 µm
Striae in 10 µm
13-15
13-15
Gomphonella hutchinsoniana
Length Range
18.4-23.4 µm
18.4-23.4 µm
Width Range
5.5-6.1 µm
5.5-6.1 µm
Striae in 10 µm
11.7-14.3
11.7-14.3