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 4Z7T3 2219220 Schmarda, 1861 Schmarda 1861 Polychaeta Serpulidae Spirobranchus CoL Animalia Spirobranchus tetraceros Sabellida 0 20997 Annelida species tetraceros  Ecological interactions  Native status Non-native (established)  Notes Species complex with a confused taxonomic status, comprising one species in the Caribbean and several in the Indo-Pacific ( Ben-Eliahu and ten Hove 2011). Reported from Greece by Ben-Eliahu (1991a)and Ulman et al. (2017). Originally from the Red Sea, in the Mediterranean also known from Egypt ( Ben-Eliahu and Fiege 1996), Israel ( Fishelson 2000), Cyprus (  Cinar2005), Turkey (  Cinaret al. 2014) and Italy ( Ulman et al. 2017).