Jesogammarus uchiyamaryui sp. n., paratype, female (9.2 mm), NSMT-Cr 25475. A peduncular articles 1–3, accessory flagellum, and flagellar articles 1–3 of antenna 1, medial view; B peduncular articles 1–5 and flagellar articles 1–3 of antenna 2, medial view; C gnathopod 1, lateral view; D palmar margin of propodus of gnathopod 1, lateral view; E gnathopod 2, lateral view; F palmar margin of propodus of gnathopod 2, lateral view; G brood plate of gnathopod 2, lateral view; H coxa–ischium of pereopod 5, lateral view; I coxa–ischium of pereopod 6, lateral view; J coxa–ischium of pereopod 7, lateral view; K uropod 3, dorsal view.