Scanning electron micrographs of genital sclerotized parts of species of Cichlidogyrus, Scutogyrus and Enterogyrus. (a) Male copulatory complex of C. cirratus; (b) penis end of male copulatory complex of C. cirratus; (c) male copulatory complex of C. sclerosus; (d) male copulatory complex of C. thurstonae; (e) male copulatory complex of S. longicornis; (f) penis basement of S. longicornis; (g) vagina of S. longicornis; (h) male copulatory complex of C. halli; (i) penis of E. malmbergi; (j) penis of E. coronatus.