Tenagopelta, Ng, Peter K. L. & Castro, Peter, 2016

Ng, Peter K. L. & Castro, Peter, 2016, Revision of the family Chasmocarcinidae Serène, 1964 (Crustacea, Brachyura, Goneplacoidea), Zootaxa 4209 (1), pp. 1-182 : 79

Key to species of Tenagopelta n. gen.

1. Outer surface of major adult male chela smooth, without median swelling ( Fig. 47 C). G1 conspicuously short, tip tapering to sharp point ( Fig. 79 F–I) [Western Australia].............................................. T. brachyphallus n. sp.

- Outer surface of major adult male chela with distinct median swelling (e.g., Figs. 47 A, E, G, 102B). G1 relatively elongated, tip truncate to subtruncate (e.g. Fig. 79 K)................................................................. 2

2. Distal two-thirds of G1 elongated, slender ( Fig. 79 A–D) [Philippines; Indonesia]...................... T. pacifica n. sp.

- Distal half of G1 short, stout ( Fig. 79 K–N) [ Papua New Guinea; Australia (Queensland); New Caledonia]........ T. potens

Figures

FIGURE 47. Chelae of species of Tenagopelta n. gen. A, B, T. pacifica n. sp., Philippines: holotype male 10.3 × 11.9 mm (NMCR); C, D, T. brachyphallus n. sp., Australia: paratype male 6.9 × 7.6 mm (NMV J 54594); E ‒ H, T. potens, Papua New Guinea: male 11.8 × 13.8 mm (MNHN-IU- 2011 - 1504); I, J, T. potens, Papua New Guinea: male 8.8 × 10.0 mm (ZRC 2015.242).

FIGURE 79. Gonopods of species of Tenagopelta n. gen. A ‒ E, T. pacifica n. sp., Philippines: paratype male 10.2 × 11.4 mm (ZRC 2015.212); F ‒ J, T. brachyphallus n. sp., Australia: holotype male 6.1 × 6.9 mm (NMV J 61680); K ‒ N, T. potens, Papua New Guinea: male 11.8 × 13.8 mm (MNHN-IU- 2011 - 1504). A, F, K, ventral view of left G 1; B, G, L, dorsal view of left G 1; C, H, M, ventral view of distal part of left G 1; D, I, N, dorsal view of distal part of left G 1; E, J, O, left G 2. Scales: A, B, E, F, G, J, K, L, O = 0.5 mm; C, D, H, I, M, N = 0.1 mm.