An account of the taxonomy and distribution of Syllidae (Annelida, Polychaetes) in the eastern Mediterranean, with notes on the genus Prosphaerosyllis San Martin, 1984 in the Mediterranean Author Faulwetter, Sarah Author Chatzigeorgiou, Georgios Author Galil, Bella S. Author Arvanitidis, Christos text ZooKeys 2011 150 281 326 http://dx.doi.org/10.3897/zookeys.150.2146 journal article http://dx.doi.org/10.3897/zookeys.150.2146 1313-2970-150-281 Myrianida quindecimdentata (Langerhans, 1884) Autolytus quindecimdentatus Langerhans, 1884: 249, pl. 15, figs 3 a-b ; Gidholm 1967 : 195, fig. 23; Ben-Eliahu 1977a : 86, fig. 13; Campoy 1982 : 241; San Martin 1984b : 417, fig. 113; 2003: 494, figs 272 a-d , 273 a-b ; Nunez and San Martin 1996 : 213, figs 5 k-m ; Hartmann-Schroeder 1996 : 185; Cinar 1999 : 63, fig. 4.8; Cinar et al. 2003 : 747. Autolytus lugens Saint-Joseph, 1887: 234, pl. 12, fig. 116; Fauvel, 1923: 318, fig. 122g; Cognetti 1961 : 304. Odontosyllis longicornis Hartmann-Schroeder , 1960: 98, figs 101-104. Myrianida quindecimdentata : Nygren 2004 : 135, figs 77 a-e . Material examined. Alykes, Crete, Greece: CALA-10c-08 (4 ind.) [coll. 17.6.2008]; CALA-1b-08 (1 ind.), CALB-1c-08 (1 ind.), CALB-1d-08 (1 ind.) [coll. 18.6.2008]. Elounda, Crete, Greece: CELB-5e-07 (1 ind.) [coll. 27.9.2007]; CELB-1a-07 (2 ind.), CELA-1d-07 (2 ind.), CELB-1e-07 (5 ind.) [coll. 29.9.2007]; CELA-10b-08 (1 ind.) [coll. 11.6.2008]; CELB-1a-08 (1 ind.), CELB-1b-08 (1 ind.), CELA-5d-08 (1 ind.) [coll. 12.6.2008]. Type locality. Madeira (Atlantic Ocean). Distribution . East and west Atlantic (European and African coasts, Cuba), north-east Pacific, Red Sea ( San Martin 1994 , Nygren 2004 ). Mediterranean Sea: WB, CB, AD, AS, LB. New record for the Greek coast. Habitat. Subtidal depths, on biogenic calcareous substrates, among photophilic and sciaphilic algae and Posidonia oceanica rhizomes, endobiontic in sponges ( Nygren 2004 , San Martin 2003 ).