Nihonotrypaea hainanensis sp. n. A–E Holotype male, MBM136863 F–H Paratype female, MBM136863 A–D pereopods 2–5, outer views E male pleopod 1, posterior view F female pleopod 1, posterior view G female pleopod 2, posterior view H appendix internae of pleopod 3, posterior view. Scale = 1 mm.