Protiaropsis anonyma (Maas, 1905)

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 6.65°N to 6.62°N, from 3.50°S to 18.25°S, from 53°S to 55°S (Alvariño 1976; Cely & Chiquillo 1993; Pagès & Orejas 1999; Chirichigno, pers. comm.); Atlantic Ocean, Brazil, no specific record, and at Strait of Magellan (Pagès & Orejas 1999; Migotto et al. 2002).

Habitat: medusa—widely distributed between boreal and subantarctic waters (Pagès & Orejas 1999).