Barbatia illota (G.B. I Sowerby, 1833)
Bathyarca ilpinensis (FOSSIL) V.N. Sinelnikova, 1994 †
Arca imbricata J.G. Bruguière, 1789
Bathyarca imitata (E.A. Smith, 1885)
Anadara improcera (FOSSIL) (T.A. Conrad, 1845 †)
Anadara inaequilateralis (FOSSIL) R.J.L. Guppy, 1866 †
Scapharca inaequilateralis (FOSSIL) C.J. Maury, 1917 †
Bathyarca inaequisculpta (E.A. Smith, 1885)
Anadara inaequivalvis (J.G. Bruguière, 1789)
Arca incerta (FOSSIL) K. Martin, 1883 †
Mimarcaria incerta (E.A. Smith, 1899)
Scapharca india (J.F. Gmelin, 1791)
Anadara indica (J.F. Gmelin, 1791)
Bentharca inexpectata (FOSSIL) (P.A. Maxwell, 1966 †)
Barbatia inglisia (FOSSIL) H.G. Richards& K.V.W. Palmer, 1953 †
Hawaiarca innocens (E.A. Smith, 1906)
Arca interposita G.P. Deshayes, 1858
Arca interrupta (FOSSIL) J.B.P.A. Lamarck, 1805 †
Barbatia intersecta (FOSSIL) G.P. Deshayes, 1858 †
Barbatia inusitata (FOSSIL) W.P. Woodring, 1925 †
Cunearca inutilis (FOSSIL) P.O. Jung, 1965 †
Scapharca invidiosa (FOSSIL) T.L. Casey, 1903 †
Calloarca ionthados (P.G. Oliver& R. von Cosel, 1993)
Arca irregularis (FOSSIL) G.P. Deshayes, 1858 †
Barbatia irregularis (FOSSIL) (G.P. Deshayes, 1829 †)
Calloarca irregularis (FOSSIL) W.H. Dall, 1898 †
Xenophorarca irregularis (I. Hayami & T. Kase,1993)
Barbatia islopa (FOSSIL) W.P. Woodring, 1925 †
Anadara jacksoni (FOSSIL) Cooper, 2014 †
Quadrilatera januaria (FOSSIL) (J. Marwick, 1926 †)
Arca japetica E. Forbes, 1846
Bathyarca japonica T. Habe, 1977
Anadara jousseaumei (É. Lamy, 1907)
Anadara jurata T. Iredale, 1939
Lunarca kachharai (FOSSIL) Tiwari, 2001 †