Compare Delicatophycus tundraphilus
Compare
Delicatophycus canadensis has lunate valves with a tumid ventral margin and reverse-lateral proximal raphe ends. Cymbopleura incerta and other small Cymbopleura species have wider valves (>5 µm wide), lower stria density and differing valve shapes.
LM scalebar = 10 µm
Length Range
20-32 µm
20-32 µm
Width Range
4.2-4.9 µm
4.2-4.9 µm
Striae in 10 µm
17-21 at valve center, up to 28 at the apices
17-21 at valve center, up to 28 at the apices
Delicatophycus canadensis
Length Range
23-36 µm
23-36 µm
Width Range
4.1-5.4 µm
4.1-5.4 µm
Striae in 10 µm
18-22 dorsal, 20-25 ventral
18-22 dorsal, 20-25 ventral
Cymbopleura incerta
Length Range
31-58 µm
31-58 µm
Width Range
7.3-10.2 µm
7.3-10.2 µm
Striae in 10 µm
15-16 at the valve center, 18-20 near the apices
15-16 at the valve center, 18-20 near the apices