Mimachlamys infumata (FOSSIL) (J.B.P.A. Lamarck,1806 †) France, Paris Basin
Chlamys ingeniosa (FOSSIL) Yokoyama, 1929 † Japan, Wakkanai
Argopecten insuetus (FOSSIL) del Rio, 1992 † Argentina
Pecten intermittens (FOSSIL) Whidborne † UK, England, Gloucestershire
Argopecten invalidus (FOSSIL) G.D. Hanna, 1924 † Mexico
Annachlamys iredalei A.W.B. Powell, 1958 New Caledonia, Huon Island84 mm
Argopecten irradians (J.B.P.A. Lamarck, 1819) Florida68 mm
Argopecten irradians amplicostatus (W.H. Dall, 1898) USA, Maine
Argopecten irradians concentricus (T. Say, 1822) Nicaragua57 mm
Argopecten irradians taylorae E.J. Petuch, 1987 Florida, St. Augustine59 mm
Leptopecten irremotis (FOSSIL) (A.A. Olsson& A. Harbison, 1953 †) Florida
Leopecten isabellensis T.R. Waller, 2007 Galapagos
Chlamys islandica (O.F. Müller, 1776) Norway, Lofoten Islands85 mm
Chlamys islandica erythrocomata W.H. Dall, 1907 Yellow Sea95 mm
Chlamys itoigawae (FOSSIL) O. Masuda, 1962 †
Leochlamys iwakiana (FOSSIL) Yokoyama, 1925 † Japan, Hokkaido, Memuro
Chlamys iwamurensis (FOSSIL) Itoigawa, 1955 †
Chlamys iwriensis (FOSSIL) V.N. Sinelnikova, 1990 † Russia, Kamchatka, Tigil'skiy rayon
Decatopecten izuensis (FOSSIL) (Nomura & Niino) †
Gloripallium izurense (FOSSIL) Masuda 1958 †
Pecten jacobaea (C. Linnaeus, 1758) Italy, Elba Island133,5 mm
Aequipecten jacobianus (FOSSIL) Cooke 1919 †
Euvola jamaicensis (FOSSIL) Waller, 2011 †
Carolinapecten jamieae (FOSSIL) E.J. Petuch, 2004 † Canada, Mackenzie Mts.
Chlamys jamviniensis (FOSSIL) Cox, 1927 † Bangladesh, Rangpur, Gaibanda
Antillipecten janicoensis (FOSSIL) Waller, 2011 † Dominican Republic, Santiago Rodríguez
Chlamys janiroides A.E.M. Cossmann, 1907
Amusium japonicum (J.F. Gmelin, 1791) South China Sea134 mm
Amusium japonicum formosum T. Habe, 1964 South China Sea141,5 mm
Amusium japonicum taiwanense H.H. Dijkstra, 1988 Taiwan118,4 mm
Radulonectites japonicum (FOSSIL) (I. Hayami, 1975 †) Japan, Shikoku
Pecten javanus (FOSSIL) Martin, 1879 † Taiwan, Taiwan, Miaoli
Chesapecten jeffersonius (FOSSIL) (T. Say, 1824 †) Florida
Chesapecten jeffersonius septenarius (FOSSIL) (T. Say, 1824 †) Florida
Pecten jickelii R.W. Dunker, 1882 Japan