Halopteris minuta (Trebilcock, 1928)
Synonyms in the area: Halopteris constricta —Blanco 1973, 1994a, 1994b; Genzano & Zamponi 1997 [polyp]. Distribution in South America: polyp—Atlantic Ocean, Brazil to Argentina, at 23.80°S 45.40°W, and from 41°S to 42°S (Blanco 1973, 1994a, 1994b; Genzano & Zamponi 1997).
Habitat: polyp—from 70 to 90m depth, on algae, rock, test panels (Blanco 1973; Blanco 1994a, 1994b).