Cunina duplicata Maas, 1893

Remarks: the distribution range provided by Ramírez & Zamponi (1981) is not based on specific records and, therefore, we did not consider that information for this species.

Distribution in South America: medusa—Pacific Ocean, Colombia to Chile, from 5.50°N to 4.80°N, from 3.50°S to 34.28°S, and at southwest of Galápagos Archipelago (Kramp 1968; Fagetti 1973 p. 46; Segura-Puertas 1984; Cely & Chiquillo 1993; Chirichigno, pers. comm.); Atlantic Ocean, Brazil to Argentina, no specific record in the Brazilian waters, at 38.74°S 49.31°W, at 52.97°S 48.34°W (Kramp 1957, 1959a; Migotto et al. 2002; Genzano et al. 2008a).

Habitat: medusa—central and southern parts of the Atlantic Ocean, from 400 to 1600m depth (Kramp 1957, 1959a).