Compare Gomphoneis eriensis
Compare
Gomphoneis eriensis var. variabilis has a more protracted headpole.
Gomphoneis eriensis var. angularis has a more angular headpole.
LM scalebar = 10 µm
Length Range
25- 67 µm
25- 67 µm
Width Range
9.5-13.0 µm
9.5-13.0 µm
Striae in 10 µm
12-16
12-16
Gomphoneis eriense var. variabilis
Length Range
25-45 µm
25-45 µm
Width Range
9.5-12 µm
9.5-12 µm
Striae in 10 µm
10-13 in the center, 14-16 at the poles
10-13 in the center, 14-16 at the poles
Gomphoneis eriensis var. angularis
Length Range
34-67 µm
34-67 µm
Width Range
8-12 µm
8-12 µm
Striae in 10 µm
10-13 at the central portion, 14-16 at the poles
10-13 at the central portion, 14-16 at the poles