Compare Gomphoneis eriense
Compare
Gomphoneis eriense has a less protracted headpole than G. eriense var. variabilis and a more rounded headpole than G. eriense var. angularis.
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 eriense 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