Engina bicolor var. diversicolor Coen, 1937 accepted as Enginella leucozona (R. A. Philippi, 1844) (basis of record)
Forskalia fanulum (Gmelin, 1791) accepted as Gibbula fanulum (Gmelin, 1791) (basis of record)
Forskalia fanulum var. rubropicta Coen, 1937 accepted as Gibbula fanulum (Gmelin, 1791) (original description)
Gibbula specialis Coen, 1937 accepted as Gibbula divaricata (Linnaeus, 1758) accepted as Steromphala divaricata (Linnaeus, 1758) (original description)
Gibbula thiara Coen, 1937 accepted as Gibbula albida (Gmelin, 1791) accepted as Steromphala albida (Gmelin, 1791) (original description)
Jujubinus goniobasis Coen, 1937 accepted as Jujubinus striatus (Linnaeus, 1758) (original description)
Muricopsis blainvillei var. spinulosa Coen, 1937 accepted as Muricopsis cristata (Brocchi, 1814) (original description)
Osilinus mutabilis (R. A. Philippi, 1851) accepted as Phorcus mutabilis (R. A. Philippi, 1851) (basis of record)
Osilinus mutabilis var. acutidens Coen, 1937 accepted as Phorcus mutabilis (R. A. Philippi, 1851) (original description)
Trivia dalmatica Coen, 1937 accepted as Trivia multilirata (G. B. Sowerby II, 1870) (original description)
Trivia mediterranea adriatica Coen, 1937 accepted as Trivia multilirata (G. B. Sowerby II, 1870) (original description)