Anélidos poliquetos asociados a las concreciones de algas calcareas del litoral catalán

Abstract

Annelida Polychaera associared ro calcareous algae concrerions from rhe Catalan coast
The most interesting species of the Annelida Polychaeta fauna from the Spanish coast, collected during a faunistic and systematic work whose main objective was the study of the calcareous algae concretions substract, are presented. New information on the distribution of these species is offered. Full descriptions of Procerastea pori, Proceraea picta, Proceraea auranriaca, Micronereis sp., Lysidice collaris, Noroprocrus cf. ocularus, Semivermilia cribrara, Filogranula calyculara, Filogranula annulara, Janira spinosa and Omphalopomopsis fimbriata are also included.