• Geryonia octona Fleming, 1823 accepted as Leuckartiara octona (Fleming, 1823)
• Geryonia proboscidalis (Forskal, 1775)
• Geryonia proboscidalis (Huxley, 1859)
• Geryonopsis delicatula Forbes, 1848 accepted as Eirene viridula (Péron & Lesueur, 1809)
• Geryonopsis forbesii Van Beneden, 1886
• Glossocodon tenuirostris (Agassiz, 1862)
• Glossocodon tenuirostris Haeckel, 1879
• Heptarradiata rioplatensis Zamponi & Genzano, 1989
• Liriope catharinensis Müller, 1859 accepted as Liriope tetraphylla (Chamisso & Eysenhardt, 1821)
• Liriope conirostris Haeckel, 1879 accepted as Liriope tetraphylla (Chamisso & Eysenhardt, 1821)
• Liriope eurybia Haeckel, 1864 accepted as Liriope tetraphylla (Chamisso & Eysenhardt, 1821)
• Liriope scutigera McCrady, 1859 accepted as Liriope tetraphylla (Chamisso & Eysenhardt, 1821)
• Liriope tetraphylla (Chamisso & Eysenhardt, 1821)
• Octorradiata bonaerensis Zamponi & Genzano, 1989
• Pentarradiata estuariensis Zamponi & Genzano, 1989