Census of Cnidaria (Medusozoa) and Ctenophora from South American marine waters OLIVEIRA, OTTO M. P. MIRANDA, THAÍS P. ARAUJO, ENILMA M. AYÓN, PATRICIA CEDEÑO-POSSO, CRISTINA M. CEPEDA-MERCADO, AMANCAY A. CÓRDOVA, PABLO CUNHA, AMANDA F. GENZANO, GABRIEL N. HADDAD, MARIA ANGÉLICA MIANZAN, HERMES W. MIGOTTO, ALVARO E. MIRANDA, LUCÍLIA S. MORANDINI, ANDRÉ C. NAGATA, RENATO M. NASCIMENTO, KARINE B. JÚNIOR, MIODELI NOGUEIRA PALMA, SERGIO QUIÑONES, JAVIER RODRIGUEZ, CAROLINA S. SCARABINO, FABRIZIO SCHIARITI, AGUSTÍN STAMPAR, SÉRGIO N. TRONOLONE, VALQUÍRIA B. MARQUES, ANTONIO C. Zootaxa 2016 2016-11-18 4194 1 1 256 Allman, 1888 Allman 1888 [151,659,1765,1790] Hydrozoa Sertulariidae Symplectoscyphus Animalia Leptothecata 134 135 Cnidaria species filiformis  Remarks: an exhaustive comparative analysis of materials with a broad geographic distribution, ideally including molecular markers, is necessary to resolve the status of the species  Symplectoscyphus subdichotomusand  Sertularella filiformis(cf. with remarks by Galea & Schories 2012a p. 47–48). Distribution in SouthAmerica: polyp—Pacific Ocean, Chile, at 39.85°S 73.44°W, and from 41.67°Sto 53.62°S(Allman 1888 p. 51–52; Nutting 1904 p. 97; Hartlaub 1905 p. 636–637; Galea 2007 p. 68–69; Galea et al.2009a p. 341; Galea & Schories 2012a p. 46–48); Atlantic Ocean, Argentina, at 42.78°S 58.77°W, from 52.38°Sto 54.42°S(Ritchie 1907a; Totton 1930; Blanco 1982, 1984, 1994a; Genzano & Zamponi 1997). Habitat: polyp—from 5 to 610mdepth, on hard substrates, mollusc shells, sponges, worm tubes and hydroids (Ritchie 1907a; Totton 1930; Blanco 1982, 1984, 1994a; Galea 2007 p. 68–69; Galea et al.2009a p. 341; Galea & Schories 2012a p. 46–48).