ERRANT POLYCHAETES OF THE LIVINGSTON ISLAND SHELF (SOUTH SHETLAND, ANTARCTICA), WITH THE DESCRIPTION OF A NEW SPECIES

The Spanish cruise ''Bentart 94'' was the first of two devoted to the study of the benthic marine fauna off Livingston and Deception Islands , South Shetland Islands, Antarctica. In this paper, the taxonomic res ults of the examination of the ''errant'' families of the polychaetes collected during that cruise are presented. A total of 834 specimens h ave been examined, belonging to 34 species of 31 genera and 11 familie s. A new species, Micronereis anaramosae, is described, and Eusyllis k erguelensis McIntosh is referred to the genus Pionosyllis. The specime ns were found in 109 samples of muddy sand, mud, stones, rocks, gravel , and mixed sediments, by scuba diving, Van Veen grab, rock trawl and anchor dredge.