Mecistocirrus digitatus
| Fig. 1: | Anterior end, showing buccal tooth and a pair of cervical papillae |
| Fig. 2: | Posterior end of male, showing spicules, gubernaculum and arrangement of rays in bursa |
| Fig. 3: | Posterior region of female, showing opening of vulva and anus |
| Fig. 4: | Egg |