Group 3: Dichotomius (Cephagonus) quadraticeps (Felsche) species-group

Diagnosis. species of this group are recognised among selenocopris by the combination of the following characters: males clypeo-genal angulation straight or sub straight and/or expanded folded upward and/or acuteı producing a teeth; genae border straight or slightly curved inward; at least the 1st elytral interstriae convex (as on D. spadiceus group); pronotal lateral borders smooth and females sixth ventrite three to four times larger than fifth ventrite and bearing a weak sinuosity or pair of tubercles on the midportion (Figure 9 (e-g)).

Representatives. 3.1: D. quadraticeps; 3.2: D. fissiceps; 3.3: D. semicircularis; 3.4: D. reichei; 3.5: D. clypeatus; 3.6: D. aielloae; 3.7: D. arnaudi; 3.8: D. asenjoi; 3.9: D. barbarae; 3.10: D. blancoi; 3.11: D. candango; 3.12: D. edmondsi; 3.13: D. feeri; 3.14: D. frizzasae; 3.15: D. furtadoi; 3.16: D. gardneri; 3.17: D. emas; 3.18: D. marcoscarvalhoi; 3.19: D. paschoali; 3.20: D. ricardosilvai; 3.21: D. tissianiae .