Revision of the family Chasmocarcinidae Serène, 1964 (Crustacea, Brachyura, Goneplacoidea) Author Ng, Peter K. L. Author Castro, Peter text Zootaxa 2016 4209 1 1 182 journal article 37321 10.11646/zootaxa.4209.1.1 2de5b7bf-3975-458a-b200-07ec69f4e013 1175-5326 272646 849BAB5C-464A-4B4A-A586-5742411EDC01 Key to species of Camatopsis 1. Ambulatory legs, notably merus, slender, elongated ( Fig. 8 A–F). G1 with distal part directed upwards, tip sharp ( Fig. 67 J, K, 68A–D) [ southern Taiwan to Malaysia , Indonesia ; New Caledonia ]............................... C. leptomerus n. sp. - Ambulatory legs, including merus, relatively shorter, stouter (e.g., Fig. 6 ). G1 directed inwards towards thoracic sternum, or otherwise (e.g., Fig. 67 A).............................................................................. 2 2. Ambulatory merus proportionately short, stout ( Fig. 7 C–F). G1 with distal part bent inwards towards sternum at approximately right angles ( Fig. 67 M, N), markedly stout, directed upwards with flared tip ( Fig. 69 C–E), or short, stout ( Fig. 69 H–J)..... 3 - Ambulatory merus proportionately longer (e.g., Fig. 6 ). G1 not as above (e.g., Fig. 67 A).............................5 3. G1 with distal part bent inwards towards sternum at approximately right angles ( Fig. 67 M, N) [Taiwan; Japan].................................................................................................... C. thula n. sp. - G1 otherwise........................................................................................ 4 4. G1 conspicuously short, stout, with distal half bent, tip sharp ( Fig. 69 H–J) [Fiji]...................... .. C. valida n. sp. - G1 short, stout, distal part directed upwards, tip sharp ( Fig. 69 C-E) [Indonesia; questionably Andaman Sea coast of Thailand]........................................................................................ C. minor n. sp. 5. Ambulatory legs relatively long ( Fig. 6 ). Male pleonite 6 markedly broad ( Fig. 51 A) [ eastern Indian Ocean ; Indonesia ; eastern, northern and western Australia ]................................................................... C. rubida - Ambulatory legs relatively shorter ( Fig. 7 A, B). Male pleonite 6 quadrate ( Fig. 51 B) [western Indian Ocean]................................................................................................... C. africana n. sp.