Compare Eunotia bidentula
Compare
Eunotia diodon has broader valves and a lower stria density at the valve center. Eunotia bidentuloides has smaller valves, a higher stria density, and more acute dorsal undulations. Eunotia islandica has a more curved ventral margin, broader valves, and more pointed dorsal undulations. Eunotia montuosa has broader valves, lower stria density, and less rounded dorsal undulations. Eunotia subherkiniensis has a lower stria density and capitate apices.
LM scalebar = 10 µm
Length Range
22-34 µm
22-34 µm
Width Range
4.0-8.2 µm
4.0-8.2 µm
Striae in 10 µm
14-17 at mid-valve; up to 20 at the ends
14-17 at mid-valve; up to 20 at the ends
Eunotia montuosa
Length Range
31-59 µm
31-59 µm
Width Range
7-13 µm
7-13 µm
Striae in 10 µm
7-9 in the center valve, 10-14 at the ends
7-9 in the center valve, 10-14 at the ends
Eunotia subherkiniensis
Length Range
15-33 µm
15-33 µm
Width Range
4.5-8.5 µm
4.5-8.5 µm
Striae in 10 µm
11-14 in the center valve
11-14 in the center valve