Homoeonema platygonon Browne, 1903
Synonyms in the area: Homoeonema platigonon —Ramírez & Zamponi 1981 [medusa]. 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—Atlantic Ocean, Brazil, no specific record (Ramírez & Zamponi 1981; Migotto et al. 2002).