Paracyamus boopis (Lutk.) (1) Gnathopod 1, male. (2) Gnathopod 2, male. (3) Peraeopod 3, male. (4) Gnathopod 1, female. (5) Gnathopod 2, female. (6) Gill of adult male. (7) Gnathopod 2, Juvenile male. (8) Gill of Juvenile male. (9. 10. 11) Ursome appendages.