Anchistia americana Kingsley, 1878: 96.
Material examined. 6 m, 8 f, 01.VIII. 2008, Cairú, Triana River, Boipeba Island, MZUESC 1264; 4 m, 10 f, 02.VIII. 2008, Cairú, Moreré Beach, Boipeba Island, MZUESC 1289; 1 m, 3 f, 02.VIII. 2008, Cairú, Moreré Beach, Boipeba Island, MZUESC 1290; 2 f, 02.VIII. 2008, Cairú, Moreré Beach, Boipeba Island, MZUESC 1291; 2 m, 4 f, 03.VIII. 2008, Cairú, Tassimirim Beach, Boipeba Island, MZUESC 1317; 1 m, 05.V. 2008, Itacaré, Concha Beach, mouth of Contas River, MZUESC 1203; 1 f, 1 ni, 16.V. 2007, Santa Cruz Cabrália, Coroa Vermelha Beach, MZUESC 862; 1 m, 16.V. 2007, Santa Cruz Cabrália, Coroa Vermelha Beach, MZUESC 863; 2 m, 3 f, 07.III. 2008, Santa Cruz Cabrália, mouth of João de Tiba River (sandstone reef), MZUESC 1151; 2 f, 17.V. 2007, Porto Seguro, Mutá Beach (coral reef), MZUESC 896; 2 m, 2 f, 4 juv, 17.V. 2007, Porto Seguro, Mutá Beach (coral reef), MZUESC 897; 2 ni, 17.V. 2007, Porto Seguro, Mutá Beach (coral reef), MZUESC 898; 3 m, 1 f, 17.V. 2007, Porto Seguro, Mutá Beach (coral reef), MZUESC 899; 1 m, 1 f, 17.V. 2007, Porto Seguro, Mutá Beach (coral reef), MZUESC 900; 1 m, 1 f, 23.XI. 2007, Prado, Cumuruxatiba Beach, MZUESC 1060; 1 ni (damaged), 19.III. 2007, Nova Viçosa, Pontal da Barra Beach, St. 3, MZUESC 829.
Distribution. Western Atlantic—North Carolina to western Gulf of Mexico, West Indies and Brazil (Atol das Rocas, seamounts of North Brazilian Chain, and from Amapá to São Paulo) (Williams 1984, as Periclimenes americanus; Ramos-Porto & Coelho 1998, as P. americanus).
Ecological notes. In estuaries (under branches on mud bottom), on reefs and rocky shores, under rocks covered with algae and hydrozoans and in rock crevices; in concretions of calcareous algae, among barnacles on jetties and on live coral. Salinity range: 24–39 psu. Depth range: intertidal to 105 m (Ramos-Porto & Coelho 1990, as P. americanus).
Previous records. Camamu Bay (Almeida et al. 2007 b, as Kemponia americana); Salvador (Vieira et al. 2012).