Six new species of phyllodocid polychaetes are described from the continental shelf and slope off central California, mostly in vicinity of the Santa Maria Basin. New species include
Eteone brigitteae,
E. leptotes,
E. pigmentata,
Lugia uschakovi,
Protomystides mariaensis, and
Sige pleijeli. A redescription of
Sige brunnea (Fauchald, 1972) is presented based upon new collections from off San Francisco.