Neoheteromastus lineus Hartman, 1960

Neoheteromastus lineus Hartman, 1960:137; Hartman 1963:63; Hartman 1969:389, figs 1-2; Fauchald 1972:243; Blake 2000: 87 fig. 4.16.

Notomastus sp. fide Bastida-Zavala, 1995:12.

Type locality.

San Nicolas, California, USA, 1609 m.

Type material.

Holotype (LACM-AHF POLY 0421).

Material examined.

(3 specimens) Baja California Sur:Cabo Pulmo-Los Frailes (1 specimen), Stn. CP-589-1 [23°24'27"N, 109°24'26"W], 4-7 m, May 7-8 1989, Coll. JRB-Z . South East of Gulf of California, Stn. Talud IV T-3-20 [24°27'N, 108°35'W] (1 specimen), 1,200-1,274 m, August 26 2000; Stn. Talud IV T-4-26 [24°56.3'N, 109°11.8'W] (1 specimen), 1,200-1,274 m, August 26 2000, Coll. Nuria Méndez-Ubach .

Records.

USA: California in deep slope and abyssal depths (Hartman 1960, 1963, 1969, Blake 2000). México: Baja California Sur, Cabo Pulmo-Los Frailes (Bastida-Zavala 1995 as Notomastus sp.), Guaymas basin, Gulf of California and off Tres Marías islands (Fauchald 1972). Sonora, Guaymas Basin Southern Trough, hydrothermal mounds (Blake 2000); Sinaloa (present study).

Genus Neomediomastus Hartman, 1969