Compare Cymbopleura naviculiformis
Compare
Cymbopleura amphicephala has elliptic, weakly dorsiventral valves with a small asymmetric central area and a filiform raphe. Cymbopleura anglica has larger valves with lower areola density of 24-28 in 10 µm. Cymbopleura sublanceolata has lanceolate valves.
LM scalebar = 10 µm
Length Range
35-40 µm
35-40 µm
Width Range
9.1-11.4 µm
9.1-11.4 µm
Striae in 10 µm
10-16 at center valve, 15-19 at the ends
10-16 at center valve, 15-19 at the ends
Cymbopleura amphicephala
Length Range
19.8-31.8 µm
19.8-31.8 µm
Width Range
6.4-8.7 µm
6.4-8.7 µm
Striae in 10 µm
12-16 at center valve, up to 18 at the ends
12-16 at center valve, up to 18 at the ends
Cymbopleura anglica
Length Range
39-52 µm
39-52 µm
Width Range
13.0-18.2 µm
13.0-18.2 µm
Striae in 10 µm
10-12 on the dorsal side in the valve center, slightly higher density on ventral side and near apices
10-12 on the dorsal side in the valve center, slightly higher density on ventral side and near apices
Cymbopleura sublanceolata
Length Range
29-50 µm
29-50 µm
Width Range
10.1-12.4 µm
10.1-12.4 µm
Striae in 10 µm
12-16 at the valve center, 16-19 near the apices
12-16 at the valve center, 16-19 near the apices