Jesogammarus uchiyamaryui sp. n., holotype, male (10.3 mm), NSMT-Cr 25474. A maxilla 1, dorsal view; B outer plate of maxilla 1, dorsal view; C maxilla 2, dorsal view; D maxilliped, dorsal view; E gnathopod 1, lateral view; F palmar margin of propodus of gnathopod 1, lateral view; G gnathopod 2, lateral view; H palmar margin of propodus of gnathopod 2, lateral view; I pereopod 3, lateral view; J pereopod 4, lateral view.

 
 
  Part of: Tomikawa K, Nakano T, Hanzawa N (2017) Two new species of Jesogammarus from Japan (Crustacea, Amphipoda, Anisogammaridae), with comments on the validity of the subgenera Jesogammarus and Annanogammarus. Zoosystematics and Evolution 93(2): 189-210. https://doi.org/10.3897/zse.93.12125