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 Lamouroux, 1821 Lamouroux 1821 [151,579,871,896] Hydrozoa Sertulariidae Sertularella Animalia Leptothecata 118 119 Cnidaria species gayi  Distribution in SouthAmerica: polyp—Pacific Ocean, Chile, from 42.38°Sto around 54°S (Jäderholm 1903 p. 281–282; Galea 2007 p. 62–63); Atlantic Ocean, Argentina, from 41°S to 56°S (Naumov & Stepanjants 1962; Blanco 1968, 1982, 1994a; Vervoort 1972; Genzano & Zamponi 1997; Seo 2003). Habitat: polyp—from 18 to 990mdepth, on shells (Jäderholm 1903 p. 281–282; Naumov & Stepanjants 1962; Blanco 1968, 1982, 1994a; Vervoort 1972; Galea 2007 p. 62–63).