FIGURE 12. Nipponasellus matsumotoi spec. nov., holotype X54659 in Trans-Japan Sea land-bridge disjunction: A case of vicariance in the subterranean genus Nipponasellus (Crustacea, Isopoda, Asellidae) in a largescale biogeographical context

FIGURE 12. Nipponasellus matsumotoi spec. nov., holotype X54659/Cr-2477-FEFU, male, 5.5 mm: (A) pleotelson, ventral view, with enlarged section of coxopodite 7 (g.p., genital papilla); (B) pleopod 1; (C) pleopod 2, with schematic outline of details of appendix masculina; (D) pleopod 3; (E) pleopod 4; (F) pleopod 5; (G) uropod. Paratype X54660/Cr-2478-FEFU, female, 4.2 mm: (H) pleopod 2.