Compare Gomphoneis herculeana var. abundans
Gomphoneis herculeana var. abundans differs from G. herculeana by the proportionately more slender valves, and from G. minuta by the larger valves.
LM scalebar = 10 µm
Length Range
76-160 µm
76-160 µm
Width Range
16-25 µm
16-25 µm
Striae in 10 µm
12-14 at the headpole, 13-16 at the footpole
12-14 at the headpole, 13-16 at the footpole
Length Range
50-165 µm
50-165 µm
Width Range
22-34 µm
22-34 µm
Striae in 10 µm
8-12 in the central valve, 12-14 at the headpole, 13-16 at the footpole
8-12 in the central valve, 12-14 at the headpole, 13-16 at the footpole
Length Range
20-128 µm
20-128 µm
Width Range
14-26 µm
14-26 µm
Striae in 10 µm
10-12
10-12
