Key to the Pseudocleopatra species
1 Outer apertural margin sinuous in lateral view.............................................................. 2
1* Outer apertural margin not sinuous; almost straight in lateral view........................................ P. broecki
2 Teleoconch whorls except for fine growth lines usually smooth, only rarely also with faint spiral lines. h/w: 1.37 ± 0.12 (range: 1.11–1.69); h/la: 1.76 ± 0.14 (range: 1.48–2.20)............................................................. 3
2* Teleoconch whorls with up to 6 distinct spiral ridges. h/w: 1.75 ± 0.16 (range: 1.51–2.17); h/la: 2.06 ± 0.20 (range: 1.86– 2.60)........................................................................................ P. voltana
3 Umbilicus slit-like open; shell often with a radial pattern of brown stripes................................ P. togoensis
3* Umbilicus completely closed, shell corneous to brown, never with radial stripes.......................... P. dartevellei