Jesogammarus (Jesogammarus) ikiensis sp. n., paratype, female, 10.4 mm, NSMT-Cr 24108, Ishida, Iki, Nagasaki Prefecture, Japan. A ischium–dactylus of gnathopod 1, lateral view B posterodistal part of palmar margin of propodus and part of dactylus of gnathopod 1, medial view C ischium–dactylus of gnathopod 2, lateral view D posterodistal part of palmar margin of propodus and part of dactylus of gnathopod 2, medial view E brood plate of gnathopod 2, lateral view F coxa–ischium of pereopod 5, lateral view G coxa–ischium of pereopod 6, lateral view H coxa–ischium of pereopod 7, lateral view I uropod 3, ventral view.