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--20997 Notophyllum foliosum (Sars, 1835) Notes Species complex. At least two cryptic species exist in Scandinavia, differentiated by depth preference and colour pattern ( Nygren et al. 2010a ). The deeper form was described as Notophyllum crypticum Nygren, Ekloef & Pleijel, 2010. The authors do not exclude further cryptic species in the complex.