Mesopeplum hilli (FOSSIL) (F.W. Hutton, 1905 †)
Indopecten himalayensis (FOSSIL) Wen & T.C. Lan, 1976 †
Volachlamys hirasei (A.R.J.B. Bavay, 1904)
Volachlamys hirasei awajiensis (H.A. Pilsbry, 1905)
Volachlamys hirasei ecostata (A.R.J.B. Bavay, 1904)
Excellichlamys histrionica (J.F. Gmelin, 1791)
Lentipecten hochstetteri (FOSSIL) (C.A. von Zittel, 1864 †)
Chlamys hodgei (FOSSIL) L.G. Hertlein, 1925 †
Praechlamys hohxilensis (FOSSIL) Sha, 1995 †
Pecten hornensis (FOSSIL) Deperet & F. Roman,1902 †
Amusium hulshofi (FOSSIL) Martin, 1883 †
Talochlamys humilis (G.B. III Sowerby, 1904)
Pecten humphreysii (FOSSIL) T.A. Conrad, 1842 †
Chlamys hupeanus (FOSSIL) R.A. Philippi, 1887 †
Serripecten hutchinsoni (FOSSIL) (F.W. Hutton, 1873 †)
Flexopecten hyalinus (G.S. Poli, 1795)
Flexopecten hybridum (J.F. Gmelin, 1791)
Swiftopecten iheringii (FOSSIL) del Rio, 1995 †
Amussiopecten iitomiensis (FOSSIL) Y. Otuka, 1934 †
Chlamys iljinensis (FOSSIL) V.N. Sinelnikova, 1990 †
Pecten illesca (FOSSIL) A.A. Olsson, 1932 †
Duplipecten imperfectus (FOSSIL) J. Marwick, 1928 †
Talochlamys inaequalis H.H. Dijkstra& R.G. Moolenbeek, 2008
Pecten inaequalis (FOSSIL) A.E.M. Cossmann& A. Lambert, 1884 †
Chlamys inaequicostalis (FOSSIL) J.B.P.A. Lamarck, 1819 †
Eopecten inaequistriatus (FOSSIL) Futterer, 1897 †
Veprichlamys incantata (L.G. Hertlein, 1972)
Chlamys incarnata L.G. Hertlein, 1972
Anatipopecten incertae (FOSSIL) (Tucker-Rowland 1938) †
Mesopeplum incertus (FOSSIL) (Tenison Woods, 1867 †)
Palliolum incomparabile (A. Risso, 1826)
Chlamys indecisa (FOSSIL) W.H. Dall, 1898 †
Chlamys indissolubilis (FOSSIL) C.J. Maury, 1924 †
Pseudamussium inflexum (FOSSIL) (Poli, 1795 †)
Chlamys infumata (FOSSIL) (J.B.P.A. Lamarck †)