Geosesarma mirum sp. nov. holotype male (11.9 × 10.8 mm) (NTOU F10395), Taiwan A left third maxilliped B pleon C, D different views of ventral surface of left G1 E dorsal surface of left G1 F–H different views of ventral surface of distal part of eft G1 I mesial view of distal part of left G1 J, K different views of dorsal surface of distal part of left G1 L left G2. Scale bars: 0.5 mm (A, C, D, L); 1.0 mm (B); 0.2 mm (F–K).