Genus Neopseudocapitella Rullier & Amoureux, 1979

Neopseudocapitella Rullier & Amoureux, 1979: 185 fig. 7 Type species. Neopseudocapitella brasiliensis Rullier & Amoureux, 1979 http://species-id.net/wiki/Neopseudocapitella_brasiliensis

Neopseudocapitella brasiliensis Rullier & Amoureux, 1979: 185 fig. 7.

Mastobranchus? variabilis fide Hernández-Alcántara and Solís-Weiss 1999: 27

Type locality.

Brazil, Stn. 49 [11°34'S, 37°22'W] 26 m, November 23 1961 intertidal in soft bottoms.

Type material.

Syntype (MNHN POLY TYPE 1301).

Material examined.

(3 specimens) Sonora: Puerto Peñasco, La Cholla Bay (UANL- 6519) [31°20'37.8"N, 113°38'01.7"W] (1 specimen), 1 m, August 7 2006, Coll. MEGG. Sinaloa, El Fuerte River, Stn. 51 [25°42.1'N, 109°30.6'W] (1 specimen), 49.5 m, March 20 1985; Nayarit, María Madre Island, Stn. 62C [21°38.2'N, 106°31.9'W] (1 specimen), March 22 1985, Coll. PHA.

Records.

Brazil (Rullier and Amoureux 1979); México: Sonora, Puerto Peñasco; Sinaloa, El Fuerte River; Nayarit, María Madre Island (present study).

Remarks.

The material of Hernández-Alcántara and Solís-Weiss (1998) identified as Mastobranchus ? variabilis was analyzed and was found to be Neopseudocapitella brasiliensis . This record, and our collections from Puerto Peñasco, Sonora, constitutes the first record for this species in the Mexican Pacific.