| Fig. 1 : | Anterior end, showing a pair of cervical papillae |
| Fig. 2 : | Posterior end of male, showing spicules and arrangement of rays in bursa |
| Fig. 3 : | Posterior region of female, showing opening of anus |
| Fig. 4 : | Vulvar region of linguiform female, showing tongue-shaped flap |
| Fig. 5 : | Knob-shaped flap on vulva in knobbed phenotype |
| Fig. 6 : | Egg |