Polychaetes of Greece: an updated and annotated checklist Faulwetter, Sarah Simboura, Nomiki Katsiaras, Nikolaos Chatzigeorgiou, Giorgos Arvanitidis, Christos Biodiversity Data Journal 2017 5 20997 20997 4YSGY Somaschini & San Martin, 1994 Somaschini & San Martin 1994 Polychaeta Syllidae Sphaerosyllis CoL Animalia Sphaerosyllis gravinae Phyllodocida 0 20997 Annelida species gravinae  Notes New record for Greece. Two specimens, Elafonisi, Crete, 35°16'20.7"N, 23°32'15.9"E, 1 m depth, fine sand, collected in the framework of the MEDCORE project (unpublished data from Papageorgiou et al. 2006). Literature used for identification: Somaschini and San Martin(1994). Type locality: Mediterranean (Tyrrhenian Sea).