Acar clathrata (Defrance, 1816) (basis of record)
Cetoconcha neaeroides (G. Seguenza, 1877) accepted as Cetomya neaeroides (G. Seguenza, 1877) (basis of record)
Flexopecten glaber glaber (Linnaeus, 1758) accepted as Flexopecten glaber (Linnaeus, 1758) (basis of record)
Flexopecten glaber proteus (Dillwyn, 1817) accepted as Flexopecten glaber (Linnaeus, 1758) (basis of record)
Flexopecten hyalinus (Poli, 1795) (basis of record)
Glycymeris insubrica (Brocchi, 1814) accepted as Glycymeris nummaria (Linnaeus, 1758) (basis of record)
Haliris lamothei (Dautzenberg & H. Fischer, 1897) (basis of record)
Lembulus Risso, 1826 (basis of record)
Mimachlamys varia (Linnaeus, 1758) (basis of record)
Pododesmus aculeatus (O. F. Müller, 1776) accepted as Heteranomia squamula (Linnaeus, 1758) (basis of record)
Pododesmus glaucus (Monterosato, 1884) accepted as Monia squama (Gmelin, 1791) accepted as Pododesmus squama (Gmelin, 1791) (basis of record)
Pristigloma minima (G. Seguenza, 1877) (basis of record)
Pseudomalletia pianii van Aartsen & Giannuzzi-Savelli, 1991 accepted as Malletia pianii (van Aartsen & Giannuzzi-Savelli, 1991) (basis of record)
Saccella commutata (R. A. Philippi, 1844) (basis of record)
Saccella illirica (Carrozza, 1987) (basis of record)
Scacchia ovata R. A. Philippi, 1844 (basis of record)
Scapharca J. E. Gray, 1847 accepted as Anadara (Scapharca) J. E. Gray, 1847 represented as Anadara J. E. Gray, 1847 (additional source)
Scapharca demiri Piani, 1981 accepted as Anadara transversa (Say, 1822) (basis of record)
Scrobicularia rubiginosa (Poli, 1795) (basis of record)
Talochlamys Iredale, 1929 (basis of record)
Talochlamys multistriata (Poli, 1795) (basis of record)
Talochlamys pusio (Linnaeus, 1758) (basis of record)
Tellina exigua Poli, 1791 accepted as Macomangulus tenuis (da Costa, 1778) (basis of record)
Thyasira dilatata Gaglini, 1992 (basis of record)

Italian part of the Ionian Sea for Arca noae Linnaeus, 1758 
Italian part of the Tyrrhenian Sea for Arca noae Linnaeus, 1758