Clibanarius sclopetarius (Herbst, 1796)

(Figs 2 B, 5F)

Cancer sclopetarius Herbst, 1796: 23, pl. 23, fig. 3.

Pagurus tuberculosus .—H. Milne Edwards, 1836: 278, pl. 13, fig. 1; 1837: 229.

Pagurus cubensis Saussure, 1858: 455 .

Clibanarius sclopetarius .— Stimpson, 1858: 235; 1859: 85.— Smith, 1869: 18, 39.— Nobili, 1897: 4.— Rathbun, 1897: 43.— Benedict, 1901a: 142.— Moreira, 1901: 27, 86.— Forest & Saint Laurent, 1968: 103.— Coelho & Ramos-Porto, 1986:51.— Rieger, 1998: 421.— Melo, 1999: 52, fig. 10.—McLaughlin et al., 2010: 20.

Clibanarius carnescens Miers, 1877: 658, pl. 66, fig. 2.

Clibanarius formosus Ives, 1891: 182, pl. 5, figs 1, 2.

Clibanarius cubensis .— Rathbun, 1900: 144.— Schmitt, 1935: 199; 1936: 376.— Provenzano, 1959: 369, fig. 5C; 1961: 152.

Material examined. Brazil: Rio Grande do Norte—Natal, 1 spec. (MZUSP-7359). Pernambuco—Ponta de Pedra, 1 spec. (MZUSP-7365); Porto de Galinhas, 1 spec. (MZUSP-13885). Espírito Santo—Santa Cruz, 7 spec. (MZUSP-8858); 1 spec. (MZUSP-8859); Camburi, 1 spec. (MZUSP-9597). São Paulo—São Sebastião, 6 spec. (MZUSP-598); 2 spec. (MZUSP-4575); Praia Araçá, 10 spec. (MZUSP-12999); Santos, 1 spec. (MZUSP- 13363); 1 spec. (MZUSP-13338); Cananéia, 1 spec. (MZUSP-13334). Santa Catarina—Porto Belo, 1 spec. (MZUSP-7366); Caieira do Sul, 1 spec. (MZUSP-9433).

Diagnosis. Shield slightly longer than broad; anterior margins straight between rostrum and lateral projections. Antennular peduncle not overreaching cornea. Ambulatory legs with sparse short setae; propodi with single longitudinal dark stripe on lateral face bordered by light stripe of similar width on either side.

Distribution. Western Atlantic—Florida, Antilles, Venezuela, north of South America and Brazil (from Ceará to Santa Catarina).

Remarks. Clibanarius sclopetarius and C. vittatus are very close morphologically, and very difficult to distinguish, when totally discolored.