Cunina octonaria McCrady, 1859

Synonyms in the area: Cunina Köllikeri F. Müller, 1861 [medusa]; Cunocthanta octonaria —Vannucci 1951a [medusa].

Distribution in South America: medusa—Pacific Ocean, Peru to Chile, from 3.50°S to 18.25°S, at 42.17°S in Huinay Scientific Field Station, Comau Fjord (Segura-Puertas 1984; Galea 2007; IMARPE database of zooplankton); Atlantic Ocean, Colombia to Argentina, from 10°N to 54°S (F. Müller 1861; Kramp 1957; Vannucci 1951a, 1957b; Alvariño 1968; Moreira 1973, 1978; Navas-Pereira 1974, 1980, 1981; Goy 1979; Ramírez & Zamponi 1980, 1981; Correia 1983; Zamponi 1983a; Tronolone 2001; Migotto et al. 2002; Genzano et al. 2008a; Silveira & Morandini 2011; Nogueira Jr. 2012; Nagata et al. 2014a, 2014b; Nogueira Jr. et al. 2015a).

Habitat: medusa –euryhaline and eurythermic species, recorded up to 2000m depth, on warm waters (Kramp 1957; Correia 1983; Segura-Puertas 1984).