Sigambra bassi (Hartman, 1945) Fig. 8A

Type locality.

Lemon Bay, Florida, USA (26°54'N, 82°20'W, estimated geolocation).

Material examined.

São Luís, 02°35'56"S, 44°21'11.8"W: one specimen, complete, 6 September 2011 (NPM-Pol 111).

Distribution.

Pacific Ocean: USA, Mexico, Chile. Atlantic Ocean: USA, Caribbean Sea, Brazil (state of Maranhão and São Paulo, see Suppl. material 1).

Remarks.

First record for Maranhão . The specimens examined in this study present a long medium antenna reaching up to setiger 5-12; a dorsal hook beginning in the posterior chaetigers supports the identification as Sigambra bassi . The records in the Caribbean and Brazil include estuaries and beaches (Gillet 1986, Amaral et al. 2003).