H. Milne Edwards, 1837
Carapace rounded, quadrate, slightly broader than long, surface covered with fine granules at the anterior and near antero-lateral margins, the remaining part smooth. Between the gastric and cardiac regions with an impression, the branchial region and the near postero-lateral margin each with a fine groove. Front slightly deflected, anterior margin nearly straight. Antero-lateral margins divergent backwards, arched at the middle; postero-lateral margins almost parallel; posterior margin straight. Infraorbital crest composed of 3 lobes. Merus of the third maxillipeds with a broad longitudinal groove medially, lateral surface convex, dactylus small.
Chelipeds stout, smooth. Carpus shorter than the palm. Palm 1.2 times as long as high. Fingers slightly shorter than the palm; the inner border of the two fingers denticulated, weakly gaping. Ambulatory legs stout; merus finely serrated on anterior and posterior borders; propodus and dactylus with short hairs and long setae.
First pleopod of the male stout, distal chitinous process truncate. Abdomen triangular; telson bluntly rounded, as broad as long. Carapace length of the male 6.7 mm, breadth 8.6 mm. (Dai & Yang, 1991)
Type locality: Brazil.
Range: Bermudas; Florida to Brazil; Nigeria - Lagos harbour (Manning & Holthuis, 1981); Cape Verde Islands (Guinot & Ribeiro, 1962, Manning & Holthuis, 1981); Senegal - Dakar (Sourie, 1954); Guinea - Conakry (Sourie, 1954, Uschakov, 1970); Congo - Loango lagoon (Rossignol, 1957, 1962), Pointe-Noire (Rossignol, 1962); Angola - Lobito (Manning & Holthuis, 1981), Abía Farta and Baía de Santa Marta, Benguela (Guinot & Ribeiro, 1962); Madagascar - Ile Europa (Crosnier, 1965); Sumatra - Banda Aceh (de Man, 1896b, 1898); Japan - Amami-shoto (Sakai, 1976a); Taiwan; China - Paracel Islands (Chen, 1980, Dai & Yang, 1991); Marshall Islands; Indonesia - Tanahjampea, Flores Sea (Tesch, 1918a); Tuamotu.