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 3WVM9 Versluys, 1899 Versluys 1899 [151,590,1844,1869] Hydrozoa Aglaopheniidae Lytocarpia Animalia Leptothecata 100 101 Cnidaria species tridentata  Distribution in SouthAmerica: polyp—Atlantic Ocean, Venezuela, at Los Testigos Island, Brazil, from 3.60°Sto 4.20°S, from 7.58°Sto 7.91°S, at 18.64°S 39.57°W, from 21.25°Sto 24.5°S, and from 27°S to 28°S (Versluys 1899; Totton 1926; Vannucci Mendes 1946; Vannucci 1951a, 1951b; Maÿal 1973; Migotto 1996; Rosso & Marques 1997; Migotto et al.2002; Grohmann et al.2003; Marques et al.2006; Shimabukuro 2007; Silveira & Morandini 2011;  Miranda et al. 2015). Habitat: polyp—from intertidal zone to 15m, on rocks and  Eudendrium carneum(Versluys 1899; Migotto 1996; Marques et al.2006; Shimabukuro 2007).