Compare Navicula ludloviana
Compare
Navicula aurora has a transversely rectangular central area and striae that are parallel to slightly convergent at the apices. Navicula volcanica has larger rhombic valves with rounded, rather than protracted apices.
LM scalebar = 10 µm
Length Range
63-163 µm
63-163 µm
Width Range
20-33 µm
20-33 µm
Striae in 10 µm
6-9
6-9
Navicula volcanica
Length Range
100-176 µm
100-176 µm
Width Range
30-37 µm
30-37 µm
Striae in 10 µm
6 in the center of the valve, 8 at the ends
6 in the center of the valve, 8 at the ends