Nematopalaemon schmitti (Holthuis, 1950b)

Palaemon schmitti Holthuis, 1950c: 36, 1950b: 97 .

Palaemon (Nematopalaemon) schmitti Holthuis, 1950a: 9, 1952: 169; Ramos, 1971: 44; Coelho & Ramos, 1972: 145. Nematopalaemon schmitti Ramos-Porto & Coelho, 1998: 335; Costa et al., 2000: 779; Coelho et al., 2006: 50.

Material examined. AMAPÁ: Estação Ecológica Maracá, 1 male, 6 females, 3 ovigerous females, (MZUSP- 12214); Amapá, (02°55’5N, 50°30’0W), 6 ovigerous females, (MNRJ-1067); Amapá, (02°47’N, 50°11’W), 4 females, 1 ovigerous female, 1 indeterminate, (MNRJ-1068); Amapá, (02°18’0N, 49°16’0W), 1 male, 6 females, 2 indeterminates, (MNRJ-1066); Amapá, (02°08’0N, 49°27’5W), 2 males, 4 females, (MNRJ-1069); PARÁ: Pará, (1°48’N, 48°18’W), 2 females, (FURG-2897); Pará, (01°21’0N, 48°32’5W), 1 female, 1 ovigerous female, (MNRJ-1070); Pará, (00°33’0N, 47°56’0W), 1 ovigerous female, (MNRJ-1071); ALAGOAS: Mundaú, 1 indeterminate, (MZUSP-10285); ESPÍRITO SANTO: Praia de Marataízes, 1 female, 4 ovigerous females, (MNRJ-1699); Vitória, 1 male, 1 female, (MNRJ-1072); Guarapari, 1 female, 1 indeterminate, (MNRJ-1073); SÃO PAULO: Litoral Norte, 4 males, 1 female, 6 ovigerous females, (MZUSP- 14085); SANTA CATARINA: Tijucas, Baía de Tijucas, 1 male, 1 female, (MZUSP-9085); RIO GRANDE DO SUL: Lagoa dos Patos, Canal das Capivaras, 1 indeterminate, (FURG-2477).

Diagnosis. Rostrum very long and slender, distal part directed upward, dorsal margin with 3 or 4 teeth placed form a basal crest, rest of margin unarmed, except for a small subapical tooth, ventral margin with 7 to 9 teeth equally distributed. Second pair of pereopods stronger than first pair, reaching with part of carpus beyond scaphocerite, fingers almost twice larger than palm.

Distribution. Western Atlantic Ocean: Guyana, Surinam, French Guyana, Brazil (Amapá, Pará, Maranhão, Piauí, Ceará, Rio Grande do Norte, Paraíba, Pernambuco, Alagoas, Sergipe, Bahia, Espírito Santo, Rio de Janeiro, São Paulo, Santa Catarina, Rio Grande do Sul).