Difflugia serrata Ogden & Zivkovic, 1983

Diagnosis: Shell medium, transparent, ovoid, built of small and medium-sized flattened mineral grains, resulting in a smooth surface. The pseudostome is round, the inner edge is notched.

Dimensions: Ogden and Zivkovic (1983): Shell length 66 µm, width 56 µm, pseudostome diameter 28 µm.

Ecology: Freshwater.