Aglaophenia acacia Allman, 1883

Synonyms in the area: Aglaophenia acacia elegans —Milstein 1976; Scarabino 2006 [polyp].

Distribution in South America: polyp—Atlantic Ocean, Uruguay to Argentina, from 34°S to 42.8°S (Blanco 1967a, 1994a, 1994b; Vervoort 1972; Milstein 1976; El Beshbeeshy 1991, 2011; Genzano & Zamponi 1997, 2003; Scarabino 2006; Genzano et al. 2002, 2009a, 2011; Miranda et al. 2015).

Habitat: polyp—from 29 to 217m depth (Blanco 1967a, 1994a, 1994b; Vervoort 1972; El Beshbeeshy 1991, 2011; Genzano et al. 2002, 2009a). Colonies usually found associated with mussel beds (Genzano et al. 2009a).