Sminthea eurygaster Gegenbaur, 1856a

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 1.50°N to 54.775°S, and at north and south of Galápagos Archipelago (Kramp 1966; Fagetti 1973; Segura-Puertas 1984; Palma & Rosales 1995; Palma & Apablaza 2004; Palma et al. 2014b); Atlantic Ocean, Brazil to Argentina, from 20.5°S to 24.5°S, from 30°S to 35°S, at 39.38°S 55.18°W, at 53.90°S 62.92°W (Navas-Pereira 1974, 1981; Zamponi 1985; Migotto et al. 2002; Genzano et al. 2008a; Nascimento 2010; Bonecker et al. 2014).

Habitat: medusa—species epi- to bathypelagic (Segura-Puertas 1984; Bonecker et al. 2014).