Nemertesia alternata (Fraser, 1938a)
Synonyms in the area: Antennularia alternata Fraser, 1938a [polyp].
Distribution in South America: polyp—Pacific Ocean, Ecuador, at 1.38°N 91.81°W in Isla Wolf (Fraser 1938a). Habitat: polyp—on coral, nullipores and worm tubes, from 183 to 274m depth (Fraser 1938).