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 3BZHW Marques & Oliveira, 2003 Marques & Oliveira 2003 [151,724,151,176] Hydrozoa Eudendriidae Eudendrium Animalia Anthoathecata 57 58 Cnidaria species caraiuru  Remarks: common species on the Brazilian coast (Marques et al.2006). Further taxonomic details in Marques & Oliveira (2003). Distribution in SouthAmerica: polyp—Atlantic Ocean, Brazil, from 3°S to 4.50°S, from 22.75°Sto 25.58°S, from 38°S to 38.10°S(Marques 1993; Migotto 1996; Rosso & Marques 1997; Oliveira et al.2000; Marques 2001; Migotto et al.2001; Marques & Oliveira 2003; Oliveira & Marques 2005; Marques et al.2006; Shimabukuro & Marques 2006a, abstract; Shimabukuro et al.2006; Shimabukuro 2007; Silveira & Morandini 2011; Marques et al. 2013; Fernandez et al. 2014, 2015;  Miranda et al. 2015). Habitat: polyp—in shallow waters, on fouling, ascidians, bryozoans, barnacles, gastropods, mussels, polychaete tubes, rocks, test panels and other artificial substrates (Migotto et al.2001; Marques & Oliveira 2003; Marques et al.2006; Shimabukuro & Marques 2006a; Shimabukuro 2007; Fernandez et al. 2014, 2015).