Addisonia lateralis (Requien, 1848) sensu Aradas & Benoit, 1874 accepted as Addisonia excentrica (Tiberi, 1855) (basis of record)
Alvania schwartzii (Aradas & Benoit, 1874) accepted as Alvania lanciae (Calcara, 1845) (original description)
Buccinum inflatum Aradas & Benoit, 1876 accepted as Buccinum humphreysianum Bennett, 1824 (original description)
Charonia seguenzae (Aradas & Benoit, 1871) (redescription)
Cytherea mediterranea Aradas & Benoit, 1872 accepted as Pitar mediterraneus (Aradas & Benoit, 1872) (original description)
Mactra paulucci Aradas & Benoit, 1871 accepted as Mactra stultorum (Linnaeus, 1758) (redescription)
Murex diadema Aradas & Benoit, 1876 accepted as Murexsul aradasii (Monterosato, 1883) (original description)
Murex hybridus Aradas & Benoit, 1876 accepted as Ocenebra baetica (Reeve, 1845) (original description)
Murex sofiae Aradas & Benoit, 1876 accepted as Coralliophila sofiae (Aradas & Benoit, 1876) (original description)
Rissoa (Alvania) nicolosiana Aradas & Benoit, 1874 accepted as Alvania discors (T. Brown, 1818) (original description)
Rissoa (Alvania) peloritana Aradas & Benoit, 1874 accepted as Alvania discors (T. Brown, 1818) (original description)
Rissoa (Cingula) alleryana Aradas & Benoit, 1874 accepted as Setia ambigua (Brugnone, 1873) (original description)
Rissoa messanensis Aradas & Benoit, 1876 (original description)
Rissoa micrometrica Aradas & Benoit, 1876 accepted as Tubbreva micrometrica (Aradas & Benoit, 1876) (original description)
Rissoa schlosseriana (Brusina, 1870) (basis of record)
Rissoa scillae Aradas & Benoit, 1876 accepted as Setia scillae (Aradas & Benoit, 1876) (original description)
Thracia ovalis R. A. Philippi, 1844 accepted as Thracia distorta (Montagu, 1803) accepted as Ixartia distorta (Montagu, 1803) (source of synonymy)
Tritonium seguenzae Aradas & Benoit, 1871 accepted as Charonia seguenzae (Aradas & Benoit, 1871) (redescription)
Trochus vieillioti var. globosoconica Aradas & Benoit, 1874 accepted as Clanculus cruciatus (Linnaeus, 1758) (original description)
Turritella philippi Aradas & Maggiore, 1839 accepted as Acirsa subdecussata (Cantraine, 1835) (source of synonymy)
Venus casina var. siciliana Aradas & Benoit, 1872 accepted as Venus casina Linnaeus, 1758 (original description)
Venus cygnus (Lamarck, 1818) accepted as Venus casina Linnaeus, 1758 (basis of record)
Vermetus seguenzianus Aradas & Benoit, 1874 accepted as Thylaeodus semisurrectus (Bivona e Bernardi, 1832) (original description)

Italian part of the Ionian Sea for Tritonium seguenzae Aradas & Benoit, 1871