FIGURE 4. Megaesthesius sagedae Rathbun, 1909. A in A new species of Megaesthesius Rathbun, 1909 (Crustacea: Brachyura: Chasmocarcinidae) from deep water off Western Australia

FIGURE 4. Megaesthesius sagedae Rathbun, 1909. A, female in dorsal view (Serène 1964); B, holotype male in dorsal view (Rathbun 1910); C, male (2.3×3.4 mm) from Madagascar in dorsal view (Crosnier 1975); D, detail of front, orbits, antennules and antennae of female (2.6×3.5 mm) (Crosnier 1975); E, orbital region; F, left chela (Crosnier 1975); G, third maxilliped (Crosnier 1975); H, third maxilliped (Serène 1964); I, right second walking leg (P3)(Crosnier 1975), note that it has been flipped to aid easier comparison; J, left second walking leg (P3) (Serène 1964); K, detail of propodus and dactylus, with magnified view of mobile spinules on dactylus (Serène 1964).