Compare

Valves of C. solea are constricted in the middle. Valves of C. elliptica var. hibernica are larger, with fewer fibulae in 10 µm.

LM scalebar = 10 µm
Cymatopleura internationale LM1 Cymatopleura internationale LM2 Cymatopleura internationale LM3 Cymatopleura internationale LM4 Cymatopleura internationale LM5 Cymatopleura internationale LM6 Cymatopleura internationale LM7
Length Range
54-72 µm
Width Range
31-39 µm
Striae in 10 µm
8-18

Cymatopleura solea

(Bréb. in Bréb. and Godey) W.Sm. 1851

Cymatopleura solea LM1 Cymatopleura Solea 1A Sccwrp Cymatopleura solea LM3 Cymatopleura Solea 003Sccwrp Cymatopleura solea LM4 Cymatopleura solea LM2
Length Range
56-280 µm
Width Range
13-24 at the midsection, 15-36 at the broadest point µm
Striae in 10 µm
29-34

Also compare to

Cymatopleura elliptica var. hibernica

(W.Sm.) Van Heurck