Argynnia kundulungui (Van Oye, 1959) comb. nov.
Basionym: Nebela kundulungui Van Oye, 1959

Diagnosis: Colorless and transparent shell, elongated ovoid, with rounded base, equipped with three very long horns, one in the middle of the base, the other two on the right and left in the lower third. Pseudostome more or less a quarter of the length and a little crenate, formed by large, clearly visible scales.

Dimensions: Length 85 µm; width 55 µm; aperture 20 µm; length/width ratio 1.54; length/mouth 4.25.

Habitat: Freshwater. Kundulungu Plateau in the south-east of the former Belgian Congo at an altitude of 1500 to 1700 m.