Compare Cymbella aspera
Compare
Cymbella neocistula and C. proxima are smaller, and less that 25 µm wide. They also have higher areola density, more than 12 in 10 µm. Cymbella mexicana and C. janischii have a prominent stigma. The proximal raphe ends of C. lanceolata are hook-shaped, rather than expanded.
LM scalebar = 10 µm
Length Range
112.0-221.2 µm
112.0-221.2 µm
Width Range
25.2-38.5 µm
25.2-38.5 µm
Striae in 10 µm
7-9 at the valve center, 10-11 near the apices
7-9 at the valve center, 10-11 near the apices
Cymbella lanceolata
Length Range
121.3-232.3 µm
121.3-232.3 µm
Width Range
21.8-29.9 µm
21.8-29.9 µm
Striae in 10 µm
10-12 at the valve center, up to 14 near the apices
10-12 at the valve center, up to 14 near the apices
Cymbella mexicana
Length Range
80-155 µm
80-155 µm
Width Range
26-33 µm
26-33 µm
Striae in 10 µm
6-8 in the central valve, 7-10 at the ends
6-8 in the central valve, 7-10 at the ends
Cymbella neocistula
Length Range
32-85 µm
32-85 µm
Width Range
11-22 µm
11-22 µm
Striae in 10 µm
7-10 at valve center, 10-13 near ends
7-10 at valve center, 10-13 near ends
Cymbella proxima
Length Range
51-104 µm
51-104 µm
Width Range
17.8-23.0 µm
17.8-23.0 µm
Striae in 10 µm
7-8 in the center valve, up to 12 at the ends
7-8 in the center valve, up to 12 at the ends