Census of Cnidaria (Medusozoa) and Ctenophora from South American marine waters Author M. P. Oliveira 1,16 Author S P. Miranda 2, *, Author Es W. Mianzan 10, Author Ro E. Migotto 11, Author Ne B. Nascimento 2,11 Author Eli Nogueira Júnior 12, Author Er Quiñones 13, Author Izio Scarabino 14, Author Tín Schiariti 10, Author Io N. Stampar 15, Author Tronolone 2 Author , Quíria B. Author Onio C. Marques 2,11 text Zootaxa 2016 2016-11-18 4194 1 1 256 journal article 10.11646/zootaxa.4194.1.1 c7258597-fa96-4b98-a6f8-aecc1f8779d5 1175-5326 C21A07A7-3AD9-4AA2-8426-EAB08BA396E6 Halecium tehuelchum (d’Orbigny, 1842) Synonyms in the area: Thoa tehuelcha d’Orbigny, 1846 [polyp]. Remarks: this is the unique record of this doubtful, unrecognizable, species. Distribution in South America: polyp—Pacific Ocean, Chile , at 46.31°S 75.65°W (Galea et al . 2014 p. 24–25); Atlantic Ocean, Argentina , at Río Negro (d’Orbigny 1842; Blanco 1994a). Habitat: polyp—on dead gorgonian and worm tube, from 13.5 to 17.3m depth (Galea et al . 2014 p. 24–25).