TABLE 1. — Differences between Goneplax s. str. and Diuplax n in Notes on the taxonomy of Frevillea A. Milne-Edwards, 1880 (Crustacea, Brachyura, Goneplacoidea), with the description of a new genus for F. sigsbei A. Milne-Edwards, 1880

TABLE 1. — Differences between Goneplax s. str. and Diuplax n. gen. Goneplax S. STr.Diuplax n. gen.CarapaceDistinctly hexagonal (Fig. 7A)Broadly trapezoidal (Fig. 5A, B, D, F, G)Anterolateral marginLateral tooth positioned some distance from the external orbital tooth, c. one-third length of lateral margin (Fig. 7A)Lateral tooth adjacent to the external orbital tooth (Figs 5A, B, D, F, G; 6A, B)Posterior margin of epistomeRelatively narrower transversely, margin gently sinuous (Fig. 7B)Relatively wide transversely, margin almost straight (Fig. 6A, B)EyesOcular peduncle long, c. 4 times length of cornea (Fig. 7A, B)Ocular peduncle shorter, c. 2 times length of cornea (Figs 5A, B, D, F, G; 6A, B)Male thoracic sternite 8Sternite 8 visible as wide subhexagonal plate when pleon closed; pleonal somite 1 not reaching coxa of fourth ambulatory leg (Fig. 7E)Sternite 8 visible as triangular plate when pleon closed; pleonal somite 1 reaching coxa of fourth ambulatory leg (Fig. 6D)Male pleonRelatively wide transversely, especially across somites 3-6 (Fig. 7D)Relatively narrower transversely (Fig. 5E)Adult male chelipedProminently elongated (Fig. 7F; Guinot & Castro 2007: figs 1, 2.)Short (Fig. 5D, E)Fourth ambulatory dactylusStyliform (Fig. 7G)Spatuliform (Fig. 5A, B, D)G1Relatively long, slender, almost straight, with distal flap-like part clearly demarcated; tip rounded (cf. Guinot & Castro 2007: fig. fig. 3C)Relatively short, C-shaped, tapering gradually to sharp tip (Fig. 6F, G)G2Distal part of flagellum straight or almost so (cf. Guinot & Castro 2007: fig. 3D)Distal part of flagellum strongly recurved (Fig. 6H, I)