Aegina citrea Eschscholtz, 1829

Synonyms in the area: Aegina rosea —Vannucci 1951a.

Distribution in South America: medusa—Pacific Ocean, Chile, from 33°S to 33.67°S (Fagetti 1973 p. 45); Atlantic Ocean, Brazil to Uruguay, at 7.25°N 78.90°W, from 10°N to 35°S (Thiel 1936; Alvariño 1968; Vannucci 1951a, 1957a; Kramp 1959a, Navas-Pereira 1974, 1981; Ramírez & Zamponi 1981; Correia 1983; Segura-Puertas 1984; Migotto et al. 2002; Genzano et al. 2008a).

Habitat: medusa—species widely distributed in the warm and temperate parts of all oceans; in cold waters it is restricted to deep water, but in warm areas it may occur at all depths (Kramp 1959a; Segura-Puertas 1984).