Compare Cymbopleura subaequalis
Compare
Cymbopleura oblongata has nearly linear valves that are not, or only slightly, dorsiventral.
Cymbopleura rupicola has lanceolate to rhombic-lanceolate valves, narrower apices and coarsely punctate striae.
Cymbellafalsa diluviana has smaller valves and porefields at both apices.
LM scalebar = 10 µm
Length Range
23-47 µm
23-47 µm
Width Range
7.1-9.4 µm
7.1-9.4 µm
Striae in 10 µm
12-16 at the valve center, 16-20 near the ends
12-16 at the valve center, 16-20 near the ends
Cymbopleura oblongata
Length Range
33-44 µm
33-44 µm
Width Range
6.5-8.4 µm
6.5-8.4 µm
Striae in 10 µm
10-14 at the valve center, 14-16 at the ends
10-14 at the valve center, 14-16 at the ends
Cymbopleura rupicola
Length Range
29.8-48.1 µm
29.8-48.1 µm
Width Range
6.9-9.4 µm
6.9-9.4 µm
Striae in 10 µm
12 (dorsal) to 16 (ventral) at the valve center, 17-20 near the apices
12 (dorsal) to 16 (ventral) at the valve center, 17-20 near the apices
