Calcinus argus Wooster, 1984
Illustrations. - Specimen from Hawaii (copyright J. Hoover). After Hoover, 1998.
References. - Calcinus argus Wooster, 1984: 133 (type locality, Guam, Mariana Islands).
Calcinus argus - Morgan, 1991: 871 (Cocos Keeling Islands, western Australia). - Hoover, 1998: 253 (Hawaii). - Asakura, 2002: 35 (Mariana, Cocos Keeling Islands)
Unpublished sp., 1 big sp. coll. P. Laboute, April 1982, 15 m, dive at nigth, New Caledonia, det. J. Poupin (MNHN, Paris).
Shield and cephalic appendages. - Ocular scale with a single terminal spine (sometimes bispinose).
Chelipeds (P1). - Upper margin of right chela tuberculated or spinous. Outer face of left palm regularly convex.
Ambulatory legs (P2-P3). - Dactyl of P3 subequal to propodus or slightly shorter. Distal pilosity of P3 dense, forming a brush of setae.
Armament of telson. - Left lobe of telson with a single spine. Right lobe with a single spine.
Coloration. - Shield white or cream (sometimes with burgundy marks on anterior edge, lateral faces, and a burgundy spot medially). Ocular peduncle multicolored with narrow ring close to cornea. Detailed coloration of ocular peduncle: brown, burgundy or purple, with narrow white ring close to cornea. Distal antennular peduncle purple or burgundy (same color on basal segments; flagella orange). Distal antennal peduncle burgundy (basal segments similarly colored; flagellum orange). Chela with several spots (background burgundy with white-orange spots; carpus of cheliped with similar color and pattern). Ambulatory legs (P2 & P3) with spots (burgundy background with scattered white-orange spots).
Habitat. - Shallow-waters (subtidal to 25 m).
Geographic distribution. - Cocos Keeling Island, New Caledonia, Western Australia; Mariana; Hawaii. Indo-West Pacific.