Moerella pygmaea (S.L. Lovén, 1846)
Moerella quasimacoma (FOSSIL) C.J.S. Hickman, 2015 †
Moerella quirosana (FOSSIL) F. Hodson, 1931 †
Pristipagia radians (G.P. Deshayes, 1855)
Tellina radiata C. Linnaeus, 1758
Tellina radiata unimaculata J.B.P.A. Lamarck, 1818
Abranda radiatolineata (M. Yokoyama, 1924)
Tellina ralphi (FOSSIL) Finlay, 1927 †
Herouvalia rapanui B.K. Raines & M. Huber,2012
Arcopagia raveneli (FOSSIL) T.A. Conrad, 1846 †
Tellina reclusa (W.H. Dall, 1900)
Tellina redmondii (FOSSIL) W.M. Gabb, 1869 †
Tellinella reflexa (FOSSIL) J.D. Stilwell& Zinsmeister, 1992 †
Tellina regia S.C.T. Hanley, 1844
Macoma rekinnensis (FOSSIL) V.N. Sinelnikova, 1990 †
Tellina remies C. Linnaeus, 1758
Tellina remondii (FOSSIL) W.M. Gabb, 1864 †
Tellina resecta G.P. Deshayes, 1855
Macoma retrorsa (G.B. II Sowerby, 1867)
Abranda rex T. Iredale, 1924
Tellina rhodon S.C.T. Hanley, 1844
Tellina rhodora R.B. Hinds, 1845
Loxoglypta rhomboides (J.R.C. Quoy& J.P. Gaimard, 1835)
Arcopagia richardi P. Dautzenberg & H. Fischer,1906
Tellina rickettsi (E.V. Coan& P.H. Valentich-Scott, 2010)
Tellina riocanensis (FOSSIL) C.J. Maury, 1917 †
Psammacoma riopirabica (FOSSIL) C.J. Maury, 1924 †
Peronaea robini (FOSSIL) (Finlay, 1924 †)
Eurytellina roburina (FOSSIL) W.H. Dall, 1900 †
Tellina robusta S.C.T. Hanley, 1844
Nelltia roddana (FOSSIL) Saul, 1973 †
Leporimetis roemeri M. Huber, A. Langleit& K. Kreipl, 2015
Tellina rosamunda J.C. Melvill & R. Standen,1907
Eurytellina roseola T. Iredale, 1936
Tellinides roseotinctus M. Huber, A. Langleit& K. Kreipl, 2015