Artacama valparaisiensis, a new species of Terebellidae (Annelida: Polychaeta) from subtidal soft bottoms of Valparaiso Bay, Chile

A new species of terebellid, Artacama valparisiensis, is described from Valparaiso Bay, Central Chile. The species closely resembles A. crassa Hartman, 1967, from the South Shetland Islands, Antarctica, but can be distinguished on the basis of the following morphological criteria: shape and number of proboscidial papillae, size and number of the branchial filaments, relative size of lobe at the upper edge of uncinal ridges in abdominal parapodia and presence of constrictions in the limbate setae.