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 Kirchenpauer, 1884 Kirchenpauer 1884 [151,803,1617,1642] Hydrozoa Sertulariidae Symplectoscyphus Animalia Leptothecata 139 140 Cnidaria species subdichotomus  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, from 22.8°Sto 55.37°S(Jäderholm 1903 p. 278–279, 1904a p. 3, 1910 p. 4; Leloup 1974 p. 42; Galea 2007 p. 71–74; Galea et al.2009a p. 343); Atlantic Ocean, Brazilto Argentina, at 29.38°S 47.95°W, from 35°S to 56°S (Hartlaub 1904, 1905; Jäderholm 1905, 1920, 1926; Blanco 1967b, 1969b, 1976a, 1994a; Vervoort 1972; Milstein 1976; Stepanjants 1979; El Beshbeeshy 1991, 2011; Genzano & Zamponi 1997, 2003; Seo 2003; López-Gappa & Sueiro 2006; Genzano et al.2009a;  Miranda et al. 2015). Habitat: polyp—from intertidal zone to 1200mdepth, commonly in scallop community, on hard substrates, algae, the crustacean  Eurypodius latreillii, mussels, polychaete tubes, shells, sponges and hydroids (Hartlaub 1904; Vervoort 1972; Leloup 1974 p. 42; Blanco 1976a, 1994a; El Beshbeeshy 1991, 2011; Galea 2007 p. 71–74; Galea et al.2009a p. 343; Genzano et al.2009a).