New Species and Records of Polychaetous Annelids from the Tetraclita (Cirripedia: Crustacea) Zone of the Northern Gulf of California, Mexico

Two new species of polychaetes belonging to the families Phyllo- docidae and Nereidae are described from the Tetraclita zone of Bahia Cholla, Puerto Penasco, Sonora, Mexico. The ranges of Syllis elongata (Johnson, 1901), Typosyllisfasciata (Malmgren, 1867) and Perinereis monterea (Chamberlin, 1918) are extended into the Gulf of California