Macoma inclinata G.B. Sowerby, 1904
Macoma incongrua Martens, 1865
Macoma indentata P.P. Carpenter, 1864
Moerella indifferens (FOSSIL) (Noetling, 1901 †)
Macoma inexpectata R. von Cosel, 1995
Tellina inflata J.F. Gmelin, 1791
Tellina innominata (V. Bertin, 1878)
Macoma inornata S.C.T. Hanley, 1844
Macoma inquinata G.P. Deshayes, 1855
Tellina insculpta (S.C.T. Hanley, 1844)
Psammotreta intastriata (T. Say, 1826)
Strigilla interrupta O.A.L. Mörch, 1860
Apolymetis intestriata (T. Say, 1827)
Tellina iridella E.C. Von Martens, 1865
Iridona iridescens (W.H. Benson, 1842)
Heteromacoma iris (FOSSIL) (S.C.T. Hanley, 1845 †)
Tellina iris (T. Say, 1822)
Heteromacoma irus (S.C.T. Hanley, 1845)
Arcopagia isseli (H. Adams, 1871)
Macoma izurensis (FOSSIL) Yokoyama †
Heteromacoma japonica (E.C. Von Martens, 1872)
Alaona jeanae (J.M. Healy& K.L. Lamprell, 1992)
Moerella jedoensis (C.E. Lischke, 1873)
Moerella jeffreysi (C.W. Johnson, 1932)
Angulus joaquinensis (FOSSIL) R. Arnold, 1910 †
Angulus jollaensis (FOSSIL) R.E. Dickerson, 1916 †
Tellina jubar S.C.T. Hanley, 1844
Tellina juttingae (C.O. Van Regteren Altena,1965)
Jitlada juvenilis (S.C.T. Hanley, 1844)
Macoma karaginskiensis (FOSSIL) K.B. Barinov & al.,1992 †
Tellinimera kauffmani (FOSSIL) Marincovich Jr., 1993 †
Megangulus kewi (FOSSIL) (R.E. Dickerson, 1914 †)
Tellina kikaijimana S. Nomura & N. Zinbo,1934
Tellinides kilburni M. Huber, A. Langleit& K. Kreipl, 2015
Macoma kirkinskayae (FOSSIL) Krishtofovich, 1957 †