Distribution of Heterocarpus laevigatus Bate, 1888 and Plesionika escatilis (Stimpson, 1860) along the Atlantic coast of South America (Crustacea: Caridea: Pandalidae) Author Viana, Girlene Fábia Segundo Departamento de Oceanografia - Universidade Federal de Pernambuco. Avenida Arquitetura, S / N, 50740 - 550, Recife, Pernambuco, Brasil. E-mail: fabiaviana @ yahoo. com. br Author Ramos-Porto, Marilena Departamento de Pesca - Universidade Federal Rural de Pernambuco. Avenida Dom Manuel de Medeiros, S / N, Recife, Pernambuco, Brasil. E-mail: lenaporto @ gmail. com. br. Author Torres, Maria Fernanda Abrantes Departamento de Oceanografia - Universidade Federal de Pernambuco. Avenida Arquitetura, S / N, 50740 - 550, Recife, Pernambuco, Brasil. E-mail: fabiaviana @ yahoo. com. br Author Santos, Maria Do Carmo Ferrão Centro de Pesquisa e Gestão de Recursos Pesqueiros do Litoral Nordeste do Brasil. Rua Samuel Hardman S / N, 55.578 - 000, Tamandaré, Pernambuco, Brasil. text Zootaxa 2007 2007-09-07 1577 1 33 39 https://biotaxa.org/Zootaxa/article/view/zootaxa.1577.1.4 journal article 10.11646/zootaxa.1577.1.4 1175­5334 5097107 709E5FC4-C461-4D7C-A5E9-9F079B36301C Heterocarpus laevigatus Bate, 1888 ( Figure 2 ) Heterocarpus laevigatus Bate, 1888 .; Rathbun, 1906: 918 ; Crosnier & Forest, 1973: 195 , fig. 61c; Chace, 1985:33 , fig.13i. Description: Rostrum varying from less than 1¼ to more than 1½ times as long as carapace in juveniles to shorter than carapace in largest adults, without distinct lateral carina, armed dorsally with 6 – 10, usually 6 or 7 teeth on carapace and basal part of rostrum, including 5, less commonly 4 or 6, on carapace posterior to level of orbital margin and, infrequently, 1 situated directly above posterior margin of orbit, and ventrally with 6–13 teeth, most commonly 10 or 11; carapace with blunt but complete intermediate carina, anteriorly sharp and posteriorly indistinct lateral carina, short and obscure anterior antennal carina or buttress, and posterior submarginal carina; abdomen unarmed dorsally, rounded on 1 st and 2 nd somites, with blunt median ridge on 3 rd , 4 th , and 5 th somites and slightly sulcate median area on 6 th somite; antennal scale varying from little more than ½ as long as carapace in largest specimens to as much as 3/5 as long in smaller ones, blade and distolateral spine reaching approximately same level; pereopods with longer member of 2 nd pair having 20 or 21 (rarely 19 or 22) articles in carpus, shorter one with 6 or 7 (rarely 8), dactyl of 3 rd pair from about 1/7 to nearly ¼ as long as propodus, carpi of 3 posterior pairs armed with 1 (rarely 0 or 2) spines on 3 rd pair, 0 or 1 on 4 th pair, and 0 on 5 th pair, meri armed with 14–16 (rarely as few as 11 or as many as 21) spines on 3 rd pair, 6–19 (usually 12–14) on 4 th , and 5–8 (nearly always 7) on 5 th , ischia with 2 (rarely 1 or 3) spines on 3 rd and 4 th pairs and 0 on 5 th ; maximum carapace length probably nearly 50 mm ( Chace, 1985 ). Type-locality: Banda Sea off Kepulauan Banda, Indonesia ( Chace, 1985 ) Material examined: Pernambuco : Cruise 4, station 1 ( 08°45’1’’S - 35°44’9’’ W ), 500 m , one male ( 102 mm LT; 24,5 mm LC), 12/11/2000 , DOPE / UFPE . Distribution: Western and eastern tropical Atlantic; Indo-West pacific: Indian Ocean, New Caledonia , northwest Australia , Japan , Hawaii, French Polynesia ( Crosnier, 1988 ; Hanamura & Takeda, 1987 ; Poupin, 1996 ; Burukovsky, 1990 ). Brazil ( Pernambuco , present contribution). Habitat: Benthos, mud bottom, 6,7 o C; from 366 to 966 m depth ( Crosnier & Forest, 1973 ; Chace, 1985 ).