Campanularia agas Cornelius, 1982

Synonyms in the area: Campanularia laevis Hartlaub, 1905 p. 565–567; Nutting 1915 p. 43;?Vannucci 1954; Vervoort 1972 p. 85–87; Leloup 1974 p. 12; El Beshbeeshy 2011 [non Campanularia laevis Couch, 1844] [polyp];? Campanularia hincksii grandis —Blanco 1968 [polyp]; Campanularia hincksii —Genzano 1990; Blanco 1994a [polyp]; Clytia laevis —Genzano et al. 2009a [polyp].

Distribution in South America: polyp—Pacific Ocean, Chile, from 41.77°S to 53.38°S (Hartlaub 1905 p. 565–567; Nutting 1915 p. 43; Vervoort 1972 p. 85–87; Leloup 1974 p. 12; Galea 2007 p. 83–84; Galea et al. 2007b p. 312, 2009a p. 318); Atlantic Ocean, Brazil to Argentina, at 22.94°S 41.94°W, from 35°S to 42°S (Vannucci 1954; Blanco 1968; Genzano 1990, 1995; El Beshbeeshy 1991, 2011; Genzano & Zamponi 1997, 2003; Zamponi et al. 1998; Genzano et al. 2002, 2009a, 2011; Migotto et al. 2002; Meretta & Genzano 2015; Miranda et al. 2015).

Habitat: polyp—from 8 to 550m depth, usually epizoic on other cnidarian colonies (dead gorgonians and other hydroids such as Pennaria fragilis, Symplectoscyphus subdichotomus, Amphisbetia operculata, Plumularia setacea, stems of tubulariids) (Vannucci 1954; Vervoort 1972 p. 85–87; Leloup 1974 p. 12; El Beshbeeshy 1991, 2011; Zamponi et al. 1998; Genzano et al. 2002, 2009a; Genzano & Zamponi 2003; Galea 2007 p. 83–84; Galea et al. 2009a p. 318; Meretta & Genzano 2015).