Halisiphonia nana Stechow, 1921a

Distribution in South America: polyp—Atlantic Ocean, at 54.134°S 36.150°W in South Georgia Island (Blanco 1984b, 1994a; Blanco et al. 1994).

Habitat: polyp—at 180m depth (Blanco 1984b, 1994a; Blanco et al. 1994).