Neogoneplax, Castro, 2007

Castro, Peter, 2007, A reappraisal of the family Goneplacidae MacLeay, 1838 (Crustacea, Decapoda, Brachyura) and revision of the subfamily Goneplacinae, with the description of 10 new genera and 18 new species, Zoosystema 29 (4), pp. 609-774 : 700

KEY TO SPECIES OF NEOGONEPLAX N. GEN.

1. No anterolateral teeth (see Figs 30A ; 31 ), with slight prominence on anterolateral margin in some individuals. Meri of ambulatory legs (P2-P5) smooth, without dorsal, distal tooth (see Fig. 31 ) ........................................................................... Neogoneplax costata n. sp.

— One well developed, acute anterolateral tooth below each outer orbital tooth (see Figs 28B ; 33A ; 34 ). Meri of ambulatory legs (P2-P5) with one or more dorsal teeth .................. 2

2. Merus of each ambulatory leg (P2-P5) with one dorsal, distal tooth (see Fig. 28B ) ........ .................................................................................................... Neogoneplax renoculis

— Merus of each ambulatory leg (P2-P5, particularly P4, P5) with several dorsal teeth (see Figs 33B ; 34 ) ..................................................................... Neogoneplax serratipes n. sp.

Figures

FIG. 30. — Neogoneplax costata n. sp.: A, B, ♂ holotype,cl 10.4 mm,19.1 mm,Balicasag I., off Panglao I., Philippine Is (ZRC 2004.0723); A, dorsal surface of the carapace; B, abdomen; C, D, ♂ paratype, cl 12.8 mm, cw 24.5 mm (ZRC 2004.0721); C, left G1, dorsal view; D, left G2, ventral view. Scale bars: A, 5 mm; B, 3 mm; C, D, 1 mm.

FIG. 31. — Neogoneplax costata n. sp., ♂ holotype, cl 10.4 mm, 19.1 mm, Balicasag I., off Panglao I., Philippine Is (ZRC 2004.0723).

FIG. 28. — A, Goneplacoides marivenae (Komatsu & Takeda, 2003) n. comb., ♀, cl 7.6 mm, cw 11.6 mm, off southern coast of New Caledonia, SMIB 8, stn DW 177, 320-370 m (MNHN-B 29262); B, Neogoneplax renoculis (Rathbun, 1914) n. comb., ♂, cl 10.1 mm, cw 16.0 mm, South China Sea off Philippine Is, MUSORSTOM 3, stn CP 108, 188-195 m (MNHN-B 10334); C, Paragoneplax serenei (Zarenkov, 1972) n. comb., ♂, cl 8.6 mm, cw 14.9 mm, north of New Caledonia, BATHUS 1, stn CP 669 (MNHN-B 29327).

FIG. 33. — Neogoneplax serratipes n. sp., ♂ holotype, cl 8.3 mm, cw 11.9 mm, off eastern coast of New Caledonia, HALIPRO 1, stn CP 851, 241-250 m (MNHN-B 29836): A, dorsal surface of the carapace; B, right P5; C, abdomen; D, left G1, dorsal view; E, left G2, ventral view. Scale bars: A, 5 mm; B, C, 3 mm; D, E, 1 mm.

FIG. 34. — Neogoneplax serratipes n. sp., ♂ holotype, cl 8.3 mm, cw 11.9 mm, off eastern coast of New Caledonia, HALIPRO 1, stn CP 851, 241-250 m (MNHN-B 29836).