| Species | Name Used |
|---|---|
| Mactra guidoi Signorelli & F. Scarabino, 2010 | Mactra guidoi (p. 86 ) |
| Mactra isabelleana d'Orbigny, 1846 | Mactra isabelleana (p. 88 ) |
| Mactra janeiroensis Smith, 1915 | Mactra janeiroensis (p. 93 ) |
| Mactra marplatensis Doello-Jurado, 1949 | Mactra marplatensis (p. 90 ) |
| Mactra petitii d'Orbigny, 1846 | Mactra petitii (p. 91 ) |
| Raeta plicatella (Lamarck, 1818) | Raeta plicatella (p. 97 ) |