Brachycarpus biunguiculatus ( Lucas, 1849 )

Ferreira, Rodrigo Simões, Vieira, Rony Roberto Ramos & D’Incao, Fernando, 2010, The marine and estuarine shrimps of the Palaemoninae (Crustacea: Decapoda: Caridea) from Brazil, Zootaxa 2606, pp. 1-24 : 4

Brachycarpus biunguiculatus ( Lucas, 1849)

Palaemon biunguiculatus Lucas, 1849: 45 .

Brachycarpus savignyi Bate, 1888: 795 .

Brachycarpus biunguiculatus Nobili, 1905: 2 ; Holthuis, 1952: 3; Chace, 1972: 18; Williams, 1984: 63; Cardoso, 2006: 27 ; Cardoso & Young, 2007: 285.

Material examined. AMAPÁ: (4°28’5”N, 50°16’5”W), 2 females, (MNRJ-2707); (3°40’0”N, 49°55’5”W), 1 male, (MNRJ-2708); CEARÁ: São Gonçalo do Amarante, Praia da Taíba, 1 indeterminate (MNRJ-18649); RIO GRANDE DO NORTE: Rocas Atoll, 1 male, (MNRJ-19030); Rocas Atoll, 1 female, 1 ovigerous female, (MNRJ-19031); Rocas Atoll, 2 females, (MNRJ-19032); Rocas Atoll, 1 female, (MNRJ-19033); BAHIA: (13°38’98”S, 38°45’94”W), 1 indeterminate, (MNRJ-17725); (16°19’55”S, 38°14’39”W), 1 female, (MNRJ- 18526); (16°47’13”S, 38°41’84”W), 3 females, (MNRJ-17724); (18°02’70”S, 37°19’74”W), 1 male, 1 female, 1 ovigerous female, (MNRJ-17133); ESPÍRITO SANTO: (19°48’47”S, 37°56’33”W), 1 ovigerous female, (MNRJ-17736); (20°10’11”S, 37°27’70”W), 1 male, 2 females, (MNRJ-17132); (20°29’32”S, 28°51’27”W), 1 female, (MNRJ-19455); (20°31’17”S, 29°21’03”W), 1 male, 1 female, (MNRJ-17744); Guarapari, 1 male, 2 females, (MNRJ-2667); (20°42’47”S, 35°27’41”W), 1 female, 2 indeterminate, (MNRJ- 19456); Ilha de Trindade, Enseada dos Portugueses, 1 male, (MZUSP-12917); RIO DE JANEIRO: (21°9’55”S, 40°19’43”W), 1 male, (MNRJ-17740); PARANÁ: Baía de Paranaguá, 1 indeterminate, (FURG- 2312).

Diagnosis. Rostrum straight, reaching about end of scaphocerite, dorsal margin with 7 or 8 teeth, first 2 teeth behind orbit, ventral margin with 3 teeth. Scaphocerite with strong terminal tooth overreaching end of blade. Mandibular palp with three articles, reaching almost end of incisor process. Telson with 2 pairs of dorsal spines not placed sidelong.

Distribution. Western Atlantic Ocean: USA (North Carolina, Florida), Bermudas, Mexico, Bahamas, Cuba, Jamaica, Haiti, Puerto Rico, Virgin Islands, Barbados, Brazil (Amapá, Pará, Maranhão, Piauí, Ceará [Rocas Atoll], Rio Grande do Norte, Paraíba, Pernambuco [Fernando de Noronha], Alagoas, Sergipe, Bahia, Espírito Santo, Rio de Janeiro and Paraná). Oriental Atlantic Ocean: Liberia. Mediterranean: Algeria and Italy. Pacific and Indian Oceans: Red Sea, Tanganyika, Ceylon, Japan, Hawaii and Clipperton Island.