Monoliropus leeae sp. n., holotype, male, 9.3 mm. A habitus, lateral view B Antenna 1 C Antenna 2 D upper lip E lower lip F left mandible G right mandible H maxilla 1 I maxilla 2 J right maxillied K gnathopod 1. Scale bars: 1.0 mm (A), 0.3 mm (B, C), 0.2 mm (K), 0.1 mm (D–J).