Polychaetes of Greece: an updated and annotated checklist Author Faulwetter, Sarah Author Simboura, Nomiki Author Katsiaras, Nikolaos Author Chatzigeorgiou, Giorgos Author Arvanitidis, Christos text Biodiversity Data Journal 2017 5 20997 20997 http://dx.doi.org/10.3897/BDJ.5.e20997 journal article http://dx.doi.org/10.3897/BDJ.5.e20997 1314-2828-5-20997 Syllis alternata Moore, 1908 Notes Species complex. Consists of at least five putative cryptic species in the North American Pacific coasts, near the type locality ( Carr et al. 2011 ). Specimens from Europe could belong to either of these cryptic species or to a different one. Reported from Greece by Faulwetter et al. (2011a) and Maidanou et al. (2017) , widely distributed in the Mediterranean ( Musco and Giangrande 2005 ).