Amycla luteostoma Coen, 1933 accepted as Nassarius corniculum (Olivi, 1792) accepted as Tritia corniculum (Olivi, 1792) (original description)
Aporrhais pespelecani var. aculeus Coen, 1933 accepted as Aporrhais pespelecani (Linnaeus, 1758) (original description)
Aptyxis syracusanus var. abbreviata Coen, 1933 accepted as Fusinus syracusanus (Linnaeus, 1758) accepted as Aptyxis syracusana (Linnaeus, 1758) (original description)
Calliostoma bullatum Coen, 1933 accepted as Calliostoma conulum [sic] accepted as Calliostoma conulus (Linnaeus, 1758) (original description)
Calliostoma maurae Coen, 1933 accepted as Calliostoma virescens Coen, 1933 (original description)
Calliostoma tornatum Coen, 1933 accepted as Calliostoma virescens Coen, 1933 (original description)
Calliostoma tumidulum Coen, 1933 accepted as Calliostoma conulum [sic] accepted as Calliostoma conulus (Linnaeus, 1758) (original description)
Calliostoma virescens Coen, 1933 (original description)
Calliostoma virescens var. flavida Coen, 1933 accepted as Calliostoma virescens Coen, 1933 (original description)
Cyclonassa carinata Coen, 1933 accepted as Cyclope neritea (Linnaeus, 1758) accepted as Tritia neritea (Linnaeus, 1758) (original description)
Cyclonassa diluta Coen, 1933 accepted as Cyclope neritea (Linnaeus, 1758) accepted as Tritia neritea (Linnaeus, 1758) (original description)
Cyclonassa fasciata Coen, 1933 accepted as Cyclope neritea (Linnaeus, 1758) accepted as Tritia neritea (Linnaeus, 1758) (original description)
Cyclonassa vernicata Coen, 1933 accepted as Cyclope neritea (Linnaeus, 1758) accepted as Tritia neritea (Linnaeus, 1758) (original description)
Cypraea pyrum var. hepatica Coen, 1933 accepted as Zonaria pyrum (Gmelin, 1791) (original description)
Cypraea pyrum var. physoides Coen, 1933 accepted as Zonaria pyrum (Gmelin, 1791) (original description)
Engina bicolor var. diversicolor Coen, 1933 accepted as Enginella leucozona (Philippi, 1844) (original description)
Eulimella curtata Coen, 1933 accepted as Eulimella acicula (Philippi, 1836) (original description)
Eulimella flagellum Coen, 1933 accepted as Eulimella acicula (Philippi, 1836) (original description)
Hadriania brocchi [sic] accepted as Gracilipurpura craticulata Bucquoy & Dautzenberg, 1882 (basis of record)
Hadriania brocchi var. carinatella Coen, 1933 accepted as Hadriania craticulata Bucquoy & Dautzenberg, 1882 accepted as Gracilipurpura craticulata Bucquoy & Dautzenberg, 1882 (original description)
Jujubinus istrianus Coen, 1933 accepted as Jujubinus exasperatus (Pennant, 1777) (original description)
Luria lurida var. incrassata Coen, 1933 accepted as Luria lurida (Linnaeus, 1758) (original description)
Luria lurida var. liburnica Coen, 1933 accepted as Luria lurida (Linnaeus, 1758) (original description)
Luria lurida var. obstructa Coen, 1933 accepted as Luria lurida (Linnaeus, 1758) (original description)
Luria lurida var. onycina Coen, 1933 accepted as Luria lurida (Linnaeus, 1758) (original description)
Morio echinophorus var. bivaricosa Coen, 1933 accepted as Galeodea echinophora (Linnaeus, 1758) (original description)
Morio echinophorus var. intermediata Coen, 1933 accepted as Galeodea echinophora (Linnaeus, 1758) (original description)
Morio echinophorus var. polycingulata Coen, 1933 accepted as Galeodea echinophora (Linnaeus, 1758) (original description)
Murex brandaris var. adunca Coen, 1933 accepted as Bolinus brandaris (Linnaeus, 1758) (original description)
Murex brandaris var. bicaudata Coen, 1933 accepted as Bolinus brandaris (Linnaeus, 1758) (original description)
Murex brandaris var. cingulata Coen, 1933 accepted as Bolinus brandaris (Linnaeus, 1758) (original description)
Murex brandaris var. ecaudata Coen, 1933 accepted as Bolinus brandaris (Linnaeus, 1758) (original description)
Murex brandaris var. fragilis Coen, 1933 accepted as Bolinus brandaris (Linnaeus, 1758) (original description)
Murex brandaris var. nodosa Coen, 1933 accepted as Bolinus brandaris (Linnaeus, 1758) (original description)
Murex brandaris var. polii Coen, 1933 accepted as Bolinus brandaris (Linnaeus, 1758) (original description)
Murex labiosus var. fasciata Coen, 1933 accepted as Murexsul aradasii (Monterosato, 1883) (original description)
Murex triquetrus Coen, 1933 accepted as Ocenebra erinaceus (Linnaeus, 1758) (original description)
Murex trunculus var. bulo Coen, 1933 accepted as Hexaplex trunculus (Linnaeus, 1758) (original description)
Murex trunculus var. purpurifera Coen, 1933 accepted as Hexaplex trunculus (Linnaeus, 1758) (original description)
Murex trunculus var. spinosa Coen, 1933 accepted as Hexaplex trunculus (Linnaeus, 1758) (original description)
Murex trunculus var. tetragona Stalio in Coen, 1933 accepted as Hexaplex trunculus (Linnaeus, 1758) (original description)
Muricopsis blainvillei var. hispida Coen, 1933 accepted as Muricopsis cristata (Brocchi, 1814) (original description)
Muricopsis blainvillei var. horrida Coen, 1933 accepted as Muricopsis cristata (Brocchi, 1814) (original description)
Muricopsis blainvillei var. oblonga Stalio in Coen, 1933 accepted as Muricopsis cristata (Brocchi, 1814) (original description)
Muricopsis blainvillei var. spinulosa Coen, 1933 accepted as Muricopsis cristata (Brocchi, 1814) (original description)
Nassa acutior Coen, 1933 accepted as Nassarius nitidus (Jeffreys, 1867) accepted as Tritia nitida (Jeffreys, 1867) (original description)
Nassa bicolorata Coen, 1933 accepted as Nassarius nitidus (Jeffreys, 1867) accepted as Tritia nitida (Jeffreys, 1867) (original description)
Nassa clodiensis Coen, 1933 accepted as Nassarius nitidus (Jeffreys, 1867) accepted as Tritia nitida (Jeffreys, 1867) (original description)
Nassa deformis Coen, 1933 accepted as Nassarius nitidus (Jeffreys, 1867) accepted as Tritia nitida (Jeffreys, 1867) (original description)
Nassa monilifera Coen, 1933 accepted as Nassarius nitidus (Jeffreys, 1867) accepted as Tritia nitida (Jeffreys, 1867) (original description)
Ocenebra erinaceus var. thersites Coen, 1933 accepted as Ocenebra erinaceus (Linnaeus, 1758) (original description)
Ocinebrina aciculata var. scalariformis Monterosato in Coen, 1933 accepted as Ocinebrina aciculata aciculata (Lamarck, 1822) accepted as Ocinebrina aciculata (Lamarck, 1822) (original description)
Odostomia litoris Coen, 1933 accepted as Odostomia unidentata (Montagu, 1803) (original description)
Ovula carnea var. gibbosa Coen, 1933 accepted as Pseudosimnia carnea (Poiret, 1789) (original description)
Pollia armata Coen, 1933 accepted as Pollia dorbignyi (Payraudeau, 1826) accepted as Aplus dorbignyi (Payraudeau, 1826) (original description)
Pyrgulina denticulus Coen, 1933 accepted as Chrysallida terebellum (Philippi, 1844) accepted as Parthenina terebellum (Philippi, 1844) (original description)
Sphaeronassa adriatica Coen, 1933 accepted as Nassarius mutabilis (Linnaeus, 1758) accepted as Tritia mutabilis (Linnaeus, 1758) (original description)
Sphaeronassa deformis Coen, 1933 accepted as Nassarius mutabilis (Linnaeus, 1758) accepted as Tritia mutabilis (Linnaeus, 1758) (original description)
Sphaeronassa umbilicata Coen, 1933 accepted as Nassarius mutabilis (Linnaeus, 1758) accepted as Tritia mutabilis (Linnaeus, 1758) (original description)
Tiberiella Coen, 1933 accepted as Parthenina Bucquoy, Dautzenberg & Dollfus, 1883 (original description)
Tricolia tenuis var. meleagris Coen, 1933 accepted as Tricolia tenuis (Michaud, 1829) (original description)
Turritella communis var. extensa Monterosato in Coen, 1933 accepted as Turritella communis Risso, 1826 accepted as Turritellinella tricarinata (Brocchi, 1814) (original description)
Turritella communis var. laeviscula Coen, 1933 accepted as Turritella communis Risso, 1826 accepted as Turritellinella tricarinata (Brocchi, 1814) (original description)