Malawidopsis spec. K gen. et sp. nov.

Fig. 18K

Abbreviated description: Cp sub-rectangular, with straight dorsal margin sloping, almost parallel to the sinuous ventral margin. Anterior margin in lateral view ventrally produced, posterior margin broadly rounded. RV strongly overlapping LV, especially antero- and postero-ventrally where valves are gaping. In dorsal view, Cp narrow, with nearly parallel lateral sides. Valve surface anteriorly set with pustules.

Measurements: length of female = 506–508 µm; length of male = 504–505 µm.

Locality: Mbamba Bay, Malawi at 7–10 m depth (23/3/1999) .