Compare Cymbella hustedtii
Compare
Cymbella stigmaphora has rhombic-lanceolate valves that are typically greater than 9µm wide. Cymbella neoleptoceros and C. subleptoceros have lower densities of striae and areolae.
LM scalebar = 10 µm
Length Range
16.1-37.7 (initial valve 42.1) µm
16.1-37.7 (initial valve 42.1) µm
Width Range
6.1-8.8 (initial valve 10.5) µm
6.1-8.8 (initial valve 10.5) µm
Striae in 10 µm
12-14 dorsal, 14-15 ventral at valve center, up to 16 at the apices
12-14 dorsal, 14-15 ventral at valve center, up to 16 at the apices
Cymbella neoleptoceros
Length Range
12.0-45.8 µm
12.0-45.8 µm
Width Range
5.4-12.5 µm
5.4-12.5 µm
Striae in 10 µm
9-11 at the valve center, up to 13 at the apices
9-11 at the valve center, up to 13 at the apices
Cymbella stigmaphora
Length Range
26.5-64.9 (initial valve) µm
26.5-64.9 (initial valve) µm
Width Range
8.8-13.0 (initial valve) µm
8.8-13.0 (initial valve) µm
Striae in 10 µm
9-13 dorsal, 12-14 ventral
9-13 dorsal, 12-14 ventral
Cymbella subleptoceros
Length Range
14.7-37.5 (initial valve) µm
14.7-37.5 (initial valve) µm
Width Range
6.2-9.6 (initial valve) µm
6.2-9.6 (initial valve) µm
Striae in 10 µm
9-11 at the valve center, up to 13 near the apices
9-11 at the valve center, up to 13 near the apices