Chinommatia, 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 : 64

publication ID	https://doi.org/ 10.11646/zootaxa.4209.1.1
publication LSID	lsid:zoobank.org:pub:849BAB5C-464A-4B4A-A586-5742411EDC01
DOI	https://doi.org/10.5281/zenodo.5617145
persistent identifier	https://treatment.plazi.org/id/F16BFB33-FF9C-FFC4-FF6A-FF49FA51FD37
treatment provided by	Plazi
scientific name	Chinommatia
status	gen. nov.

Treatment

Key to species of Chinommatia View in CoL n. gen.

1. Carapace, chelipeds, ambulatory legs covered with dense, stiff setae that obscure margins [Vanuatu]........ C. turpis View in CoL n. sp.

- Carapace, chelipeds, ambulatory legs can be covered with low pubescence or scattered setae that never obscure margins or surface................................................................................................2

2. Anteroexternal angle of merus of third maxilliped with broad, auriculiform structure (e.g., Fig. 32 View FIGURE 32 A).................. 3

- Anteroexternal angle of merus of third maxilliped not auriculiform (e.g., Fig. 32 View FIGURE 32 E)................................. 4

3. Inner surface of minor View in CoL male chela, at base of pollex, with large, swollen tooth ( Fig. 44 View FIGURE 44 A, B). Ventral margin of ambulatory merus with small spines even in large individuals ( Fig. 44 View FIGURE 44 F). Distal half of G1 distinctly curved ( Fig. 75 View FIGURE 75 A) [ South China Sea ; Philippines]............................................................................... C. cavimanus View in CoL

- Inner surface of minor View in CoL male chela, at base of pollex, with distinct bilobed tooth ( Fig. 44 View FIGURE 44 C, D). Ventral margin of ambulatory merus with prominent spines in large individuals ( Fig. 44 View FIGURE 44 H). Distal half of G1 relatively straight ( Fig. 75 View FIGURE 75 J) [Papua New Guinea; Fiji].......................................................................... C. bicuspida View in CoL n. sp.

4. Carapace relatively quadrate ( Fig. 14 View FIGURE 14 G–J). G1 relatively stout, tip can be flared ( Fig. 75 View FIGURE 75 E, G). Long, slender ambulatory legs ( Fig. 14 View FIGURE 14 G–J) [? Philippines; Malaysia (Sarawak); Indonesia]............................................ C. bruuni View in CoL

- Carapace ovate with anterolateral margins arcuate ( Fig. 15 View FIGURE 15 A). G1 not known. Relatively short, stout ambulatory legs ( Fig. 15 View FIGURE 15 A; Tesch 1918: pl. 9, fig. 3) [ Indonesia]........................................................ C. littoralis View in CoL