Two new species add to the diversity of Eoniphargus in subterranean waters of Japan, with molecular phylogeny of the family Mesogammaridae (Crustacea, Amphipoda)

Eoniphargus toriii sp. nov., male holotype (NSMT-Cr 16652), female paratype (NSMT-Cr 16653) A pereopod 3, lateral view B dactylus of pereopod 3, lateral view C coxa of pereopod 3 (female) , lateral view D pereopod 4, lateral view E dactylus of pereopod 4, lateral view F coxa of pereopod 4 (female) , lateral view G pereopod 5, lateral view H dactylus of pereopod 5, lateral view I coxa–merus of pereopod 5 (female), lateral view J pereopod 6, lateral view K dactylus of pereopod 6, lateral view L coxa–merus of pereopod 6 (female) , lateral view M coxa–merus of pereopod 7, lateral view N coxa–merus of pereopod 7 (female), lateral view C, F, I, L, N female; others, male. Modified from Tomikawa et al. (2007).