Eoniphargus iwataorum sp. nov., female holotype (NSMT-Cr 30782) A head, lateral view B–D dorsal margins of pleonites 1–3, dorsal views E–G epimeral plates 1–3, lateral views H–J dorsal margins of urosomites 1–3, dorsal views K antenna 1 (some flagellar articles are omitted), lateral view L antenna 2 (some flagellar articles are omitted), lateral view M upper lip, anterior view N right mandible, medial view O incisor and lacinia mobilis of right mandible, medial view P incisor and lacinia mobilis of left mandible, lateral view Q lower lip, anterior view R maxilla 1, dorsal view S apical robust setae on outer plate of maxilla 1, dorsal view T maxilla 2, dorsal view.

 
 
  Part of: Shintani A, Lee C-W, Tomikawa K (2022) Two new species add to the diversity of Eoniphargus in subterranean waters of Japan, with molecular phylogeny of the family Mesogammaridae (Crustacea, Amphipoda). Subterranean Biology 44: 21-50. https://doi.org/10.3897/subtbiol.44.86914