FIGURE 9. A–F, Geosesarma spectrum n in Geosesarma spectrum, a new species of semiterrestrial vampire crab (Crustacea: Decapoda: Brachyura: Sesarmidae) from Brunei Darussalam, Borneo

FIGURE 9. A–F, Geosesarma spectrum n. sp., holotype male (13.6 × 13.5 mm) (ZRC 2018.0740), Brunei; G, H, G. katibas Ng, 1995, male (12.2 × 11.9 mm) (ZRC 2016.0296), Sarawak; I–M, G. gracillimum (De Man, 1892), male (12.1 × 11.8 mm) (ZRC 2007.262), Sarawak. A, left third maxilliped; B, left G1 (dorsal view); C, left G1 (ventral view); D, G, K, distal part of left G1 (dorsal view); E, H, distal part of left G1 (ventral view); F, left G2 (dorsal view); I, J left G1 (ventral views at different angles); L, M, distal part of left G1 (ventral views at different angles). Scales: A–C, F, I, J = 1.0 mm; D, E, G, H, K–M = 0.5 mm.