FIGURE 3. A in Freshwater crabs from the D. R. Congo, Central Africa: A new species of Arcopotamonautes Bott, 1955, and a redescription of A. stappersi (Balss, 1936) (Brachyura: Potamoidea: Potamonautidae)

FIGURE 3. A, Arcopotamonautes katanga sp. nov., adult male (CW 36.4 mm), Haut-Katanga Province, Region de Bas Luapula, D. R. Congo (NMU DRC 5292); B–F, A. katanga sp. nov., holotype, adult male (CW 47.3 mm), Luanza River, Katanga Province, D. R. Congo (NMU 4.12.1966). A, frontal view of carapace; B, frontal view of right chela; C, frontal view of left chela; D, right cheliped merus underside; E, right cheliped merus and carpus dorsal view; F, third maxilliped frontal view. Scale bars: A = 8.6 mm; B = 14.0 mm; C = 13.3 mm; D, E = 6.2 mm; F = 4.8 mm.