Atolla wyvillei Haeckel, 1880

Distribution in South America: medusa—Pacific Ocean, off Colombia, Ecuador and Peru (Kramp 1961, 1968), Chile, at 33ºS off Valparaíso (Fagetti 1973), at 33.7ºS 78.8ºW in adjacent waters off Juan Fernández archipelago; Atlantic Ocean, Brazil, off Bahia state (Morandini 2003) and off São Paulo state (Silveira & Morandini 2011), Argentina, at 54.8ºS 55.6ºW (Mianzan & Cornelius 1999).

Habitat: medusa—oceanic, mesopelagic and bathypelagic (Larson 1986; Mianzan & Cornelius 1999).