Australocarcinus

Ng, Peter K. L. & Castro, Peter, 2016, Revision of the family Chasmocarcinidae Serène, 1964 (Crustacea, Brachyura, Goneplacoidea), Zootaxa 4209 (1), pp. 1-182 : 140

Key to species of Australocarcinus

1. Carapace anterolateral margin entire, without lobes or teeth ( Fig. 93 D) [Palau].......................... A. palauensis

- Carapace anterolateral margin dentate (e.g., Figs. 93 A; 94A)................................................... 2

2. Carapace anterolateral margin with 4 prominent but low teeth ( Fig. 93 A). Male telson relatively long ( Fig. 96 A); G1 with dis- tal part suddenly narrowing ( Fig. 98 A) [ Australia (Queensland)]........................................ A. riparius

- Carapace anterolateral margin with 2 low, blunt lobes ( Fig. 93 C). Male telson relatively short ( Fig. 96 C); G1 gradually taper- ing to tip ( Fig. 98 C) [New Caledonia].............................................................. A. kanaka

Figures

FIGURE 93. Overall dorsal view of species of Australocarcinus and Trogloplax. A, Australocarcinus riparius, Australia: male 8.8 × 10.2 mm (ZRC 2006.167); B, A. riparius, Australia: female 9.0 × 11.3 mm (ZRC 2006.167); C, Australocarcinus kanaka, New Caledonia: female 8.5 × 9.8 mm (ZRC 2009.111); D, Australocarcinus palauensis, Palau: holotype female (5.8 × 7.1 mm) (USNM 277853); E, F, Trogloplax joliveti, New Britain: holotype male 16.0 × 21.0 mm (MNHN-IU- 2014 - 10457) (after Guinot 1986: pl. 1 A, B); G, Trogloplax joliveti, New Britain: male 15.7 × 18.6 mm (ZRC 2015.294); H, Trogloplax joliveti, New Britain: female 14.1 × 16.8 mm (ZRC 2015.295).

FIGURE 96. Male anterior thoracic sternum and pleon of species of Australocarcinus. A, B, A. riparius, Australia: male 8.8 × 10.2 mm (ZRC 2006.167); C, D, A. kanaka, New Caledonia: paratype male 5.5 × 6.4 mm (after Davie & Guinot 1996: fig. 3 D, G).

FIGURE 98. Gonopods of species of Australocarcinus and Trogloplax. A, B, Australocarcinus riparius, Australia: holotype male (after Davie 1988: fig. 1 A, B); C, D, Australocarcinus kanaka, New Caledonia: holotype male 9.5 × 11.1 mm (after Davie & Guinot 1996: fig. 4); E, F, Trogloplax joliveti, New Britain: paratype male 20.0 × 27.0 mm (MNHN-IU- 2014 - 10458) (after Guinot 1986: pl. 2 F, G); G ‒ J, Trogloplax joliveti, New Britain: male 15.7 × 18.6 mm (ZRC 2015.294). Scales: G, J = 1.0 mm; H, I = 0.5 mm.