Sexual dimorphism in C. sp. B. A Large male (10.8 mm CL) B Female (8.9 mm CL). Scale bars in A and B represent 10 mm C Distal end of chela 1 of a female (11.2 mm CL) showing blackened corneous setae on chela fingers; scale bar represents 0.5 mm D Illustration of tip of chela 1, Rhynchocinetes albatrossae (from Chace 1997, no scale given), showing form of blackened corneous setae (similar to those shown in Figure 3C) typical of chelipeds 1 and 2 of rhynchocinetids except in large males (e.g., as in this study). C1 cheliped 1; cs corneous setae; dactyl (movable finger); M3 third maxilliped; p propodus; pf propodal (fixed) finger.