Amietophrynus

Key to the taxa of the Amietophrynus superciliaris- species complex (see also Fig. 13) 1 eyelid process present, eyelid triangular in dorsal and lateral view (Figs. 2 b, c); pair of symmetric spots present on posterior part of back (Figs. 3; 11); posterior part of back coloured like anterior one or darker; palmar tubercles prominent; occurring in Lower Guinea (= Central Africa; Fig. 1)................................................................... 2 1 ’ eyelid process absent, eyelid rounded in dorsal and lateral view (Fig. 2 a); pair of symmetric spots absent on posterior part of back (Fig. 9); posterior part of back darker coloured like anterior one (Fig. 9); palmar tubercles extremely prominent; occurring in Upper Guinea (= West Africa; Fig. 1)........................................... A. superciliaris chevalieri 2 body shape very broad in dorsal view; eyelid process distinctly pointed (Fig. 2 b); parotid glands shaped like slender drop, posterior tip pointed; back colour more or less uniform; flanks reddish-purple (Fig. 2 b); juveniles usually with two distinct interorbital spots, rarely these spots may be fused (Fig. 4 b); occurring in West Lower Guinea (= western Central Africa; Fig. 1).................................................................................. A. superciliaris superciliaris 2 ’ body shape less broad in dorsal view; eyelid process slightly pointed (Fig. 2 c); parotid glands bulged, posterior end rounded; back with lighter anterior and darker posterior pattern; flanks brownish (Fig. 11); juveniles with a distinct single depressed Vlike, dark, interorbital figure covering large parts of the eyelids (Fig. 4 c); occurring in East Lower Guinea (= eastern Central Africa; Fig. 1)....................................................................... A. channingi sp. nov.