FIGURE 18. A–G in Procambarus (Girardiella) holifieldi, a new species of crayfish (Decapoda: Cambaridae) from Alabama with a revision of the Hagenianus Group in the subgenus Girardiella

FIGURE 18. A–G respectively, terminal elements of form I male gonopod in apical view for Procambarus barbiger, Procambarus cometes, Procambarus connus, Procambarus hagenianus hagenianus, Procambarus holifieldi, Procambarus pogum and Procambarus hagenianus vesticeps. CP = central projection, CaP = caudal process, CeP = cephalic process; MP = mesial process.