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 Superfamily: Palaemonoidea Rafinesque, 1815 Family: Palaemonidae Rafinesque, 1815 Periclimenaeus Borradaile, 1915Distribution: RedSea,South Africa, Japan, Indonesia, Australia, Hawaii and Pacific coast ofAmerica: Costa Rica to Colombia, western Atlantic: North Carolina, Bermuda toPanama and TrinidadHabitat: Associated withalcyonarians, sponges ascidians etc.From shallow water to370m and more.Collection site: KovalamMaterials examined:  Description :Rostrum well developed, usually overreaching anteriorly extended eyes,compressed laterally, armed at least dorsally throughout length, lateral carinanot expanded into broad supraocular or postocular eave; carapace slightly compressed,dorsal profile straight or slightly convex, with or without 1 or more teeth ofdorsal rostral series continuing onto gastric region, anterior margin notproduced anteroventrally as prominent convex lobe and not deeply concave(notched), without longitudinal branchiostegal suture, with antennal spine,without hepatic spine, orbital margin often interrupted posteriorly; telson notcurving ventrad, posterior margin not incised, median and submedian pairs ofposterior spines not curving ventrad, dorsolateral spines not particularlyrobust; antennal scale well developed; mandible without palp; 3rd maxillipedwith exopod; 4th thoracic sternite without slender median process; 1st pereopodwith carpus entire, not subdivided; 2nd pereopods dissimilar and unequal,fingers of major chela with socket and plunger closure; 3rd pereopod composed of 7 or 8 segments, merus and ischium notfused; uropod with at least one fixed lateral tooth on lateral branch,accompanied by at least one movable spine mesial thereto. Remarks: Thecurrent specimen were obtained from sponged, the species were doing a eusociallife with more shrimps living within the sponges.

Original description: Borradaile, L.A., 1915b. Notes onCarides.— The Annals and Magazine of Natural History (8) 15: 205­-213.

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