Rhacostoma atlanticum L. Agassiz, 1851

Synonyms in the area: Rhacostoma atlantica —Tronolone 2001, 2008; Migotto et al. 2002; Nogueira Jr. 2006; Nogueira Jr. & Haddad 2006a; Lindner et al. 2014 [medusa].

Distribution in South America: medusa—Atlantic Ocean, Colombia, at Cabo de la Vela in La Guajira in the Caribbean Sea; Brazil to Argentina, from 23.7°S to 40°S (Kramp 1961; Navas-Pereira 1974, 1981; Moreira 1975; Goy 1979; Zamponi 1983a, 1983b; Tronolone 2001, 2008; Migotto et al. 2002; Nogueira Jr. 2006, 2012; Nogueira Jr. & Haddad 2006a; Genzano et al. 2008a; Nascimento 2010; Silveira & Morandini 2011; Lindner et al. 2014; Nagata et al. 2014a; Schroeder et al. 2014).