FAMILY HALOPTERIDIDAE MILLARD, 1962

Antennella avalonia Torrey, 1902

Distribution in South America: polyp—Pacific Ocean, Colombia, at 5.99°N 77.36°W in Port Utria, Ecuador, from 0.2°N to 1.1°S in Isla Isabela (Fraser 1938b, 1948; Calder et al. 2003).

Habitat: polyp—on wall, from 3.5 to 13m depth (Fraser 1938b; Calder et al. 2003).