Difflugia mamma Gassowsky, 1936

Diagnosis: Shell elongated, convex in the middle of the length, but narrows aboral, forming a rounded nipple-shaped outgrowth and toward the pseudostome. Pseudostome round. Shell resembles a female breast.

Dimensions: Gassowsky (1936): Shell length 91-135 µm, width 67-94 µm, diameter pseudostome 33-48 µm.

Ecology: Freshwater.