Compare Cyclotella quillensis
Compare
Cyclotella distinguenda has smaller valves, a lower stria density and the central area covers 1/3 to 1/2 of the valve face. Cyclotella gamma has 1-2 distinct central fultoportulae, uniseriate striae and the central area covers 1/2 of the valve face. Cyclotella meneghiniana has smaller valves, more distinct alveolae and the central area covers 1/3 to 1/2 of the valve face. Cyclotella agassizensis has smaller valves, a lower stria density and small, submarginal spines.
LM scalebar = 10 µm
Diameter
24.9-54.7 µm
24.9-54.7 µm
Width Range
3.4-4.5 µm
3.4-4.5 µm
Striae in 10 µm
16-17 based on circumferential density, 5-6 based on chord count
16-17 based on circumferential density, 5-6 based on chord count
Stephanocyclus meneghinianus
Diameter
6.24-18.12 µm
6.24-18.12 µm
Striae in 10 µm
7-8 (chambered striae by circumference)
7-8 (chambered striae by circumference)