Arca peregrina Libassi, 1859 accepted as Acar clathrata (Defrance, 1816) (original description)
Cancellaria contorta var. altavillae Libassi, 1859 † accepted as Admetula altavillae (Libassi, 1859) † accepted as Contortia strictoturrita (Sacco, 1894) † accepted as Contortia italica (D'Ancona, 1872) † (original description)
Emarginula elata Libassi, 1859 accepted as Emarginula fissura (Linnaeus, 1758) (original description)
Emarginula tuberculosa Libassi, 1859 (original description)
Modiola subclavata Libassi, 1859 accepted as Gregariella semigranata (Reeve, 1858) (original description)
Murex altavillae Libassi, 1859 † accepted as Homalocantha heptagonata (Bronn, 1831) † (original description)
Murex meneghini Libassi, 1859 † accepted as Favartia absona (De Cristofori & Jan, 1832) † (original description)
Murex spadae Libassi, 1859 accepted as Orania fusulus (Brocchi, 1814) (original description)
Pleurotoma (Clavatula) romani Libassi, 1859 † accepted as Daphnella romani (Libassi, 1859) † (original description)
Pleurotoma (Mangelia) savi Libassi, 1859 † accepted as Rimosodaphnella textilis (Brocchi, 1814) † (original description)
Scalaria pumila Libassi, 1859 accepted as Epitonium celesti (Aradas, 1854) (original description)
Solarium peregrinum Libassi, 1859 † accepted as Calliotropis peregrina (Libassi, 1859) † (original description)

Italy for Murex altavillae Libassi, 1859 † 
Italy for Murex meneghini Libassi, 1859 † 
Italy for Pleurotoma (Clavatula) romani Libassi, 1859 † 
Sicily for Cancellaria contorta var. altavillae Libassi, 1859 † 
Sicily for Pleurotoma (Mangelia) savi Libassi, 1859 †