Aporrhais pespelecani var. vinitincta Coen, 1914 accepted as Aporrhais pespelecani (Linnaeus, 1758) (original description)
Argonauta monterosatoi Coen, 1914 accepted as Argonauta argo Linnaeus, 1758 (original description)
Leuconia veneta Coen, 1914 (original description)
Morio adriatica Coen, 1914 accepted as Galeodea echinophora (Linnaeus, 1758) (original description)
Murex (Bolinus) brandaris var. ternispinosa Coen, 1914 accepted as Bolinus brandaris (Linnaeus, 1758) (original description)
Nassa (Telasco) vitrea Coen, 1914 accepted as Tritia cuvierii (Payraudeau, 1826) accepted as Tritia corrugata (Brocchi, 1814) (original description)
Nassa mamillata var. abnormis Coen, 1914 accepted as Nassarius nitidus (Jeffreys, 1867) accepted as Tritia nitida (Jeffreys, 1867) (original description)
Ocenebra erinaceus var. foliosa Monterosato, 1914 accepted as Ocenebra erinaceus (Linnaeus, 1758) (original description)
Paludestrina hessei Coen, 1914 (original description)
Paludestrina lacunaris Monterosato, 1914 (original description)
Pseudofusus adustus Coen, 1914 accepted as Pseudofusus pulchellus (R. A. Philippi, 1840) (original description)
Tapes lacunaris Coen, 1914 accepted as Polititapes aureus (Gmelin, 1791) (original description)
Tapes nasuta Coen, 1914 accepted as Polititapes aureus (Gmelin, 1791) (original description)
Tapes nuculoides Coen, 1914 accepted as Polititapes aureus (Gmelin, 1791) (original description)
Turritella communis var. laeviuscula Coen, 1914 accepted as Turritella communis Risso, 1826 accepted as Turritellinella tricarinata (Brocchi, 1814) (original description)

Adriatic Sea for Turritella communis var. laeviuscula Coen, 1914