Nemertesia cymodocea (Busk, 1851)

Distribution in South America: polyp—Atlantic Ocean, Argentina, at 55.12°S 66.48°W, at 55.17°S 66.38°W (Vervoort 1972; Blanco 1994a, 1994b; Genzano & Zamponi 1997).

Habitat: polyp—from 42 to 71m depth (Vervoort, 1972; Blanco 1994a, 1994b).