Saccella praefurlongi (FOSSIL) L. Krishtofovich, 1964 †
Ledella praelonga (R. Tate, 1886)
Nuculana praeradiata (FOSSIL) Boettger, 1883 †
Poroleda praerobai (FOSSIL) (L. Krishtofovich,1964 †)
Clidophorus praevolutus (FOSSIL) Foerste, 1914 †
Jupiteria prisca (FOSSIL) (G.P. Deshayes, 1858 †)
Nuculana probellula (FOSSIL) J. Marwick, 1929 †
Ledella procumbens (B. Prashad, 1932)
Nuculana projecta (FOSSIL) R. Tate, 1886 †
Nucundata prolonga (FOSSIL) C.O. Waterhouse, 1964 †
Nuculana prostrata (K.H.J. Thiele& S.G.A. Jaeckel, 1931)
Nuculana proteracuta (FOSSIL) J. Gardner, 1926 †
Nuculana proteracuta diamesa (FOSSIL) J. Gardner, 1926 †
Nuculana proteracuta leita (FOSSIL) J. Gardner, 1926 †
Saccella pseudoscissurata (FOSSIL) H. Takeda, 1953 †
Nuculana puellata (R.B. Hinds, 1843)
Saccella pueyrredona (FOSSIL) (H.F.A. von Ihering,1897 †)
Saccella punjabensis (FOSSIL) F.E. Eames, 1951 †
Ledella pustulosa (J.G. Jeffreys, 1876)
Saccella quercollis (FOSSIL) (G.F. Harris, 1896 †)
Adrana quitanensis (FOSSIL) A.A. Olsson, 1922 †
Nuculana radiata (A. Krause, 1885)
Saccella rakhiensis (FOSSIL) F.E. Eames, 1951 †
Nuculana ramsayi (E.A. Smith, 1885)
Nuculana rangei (FOSSIL) Bohm, 1926 †
Portlandella reagani (FOSSIL) (W.H. Dall †)
Saccella redunca (FOSSIL) (R.K. Dell, 1950 †)
Calorhadia reginajacksonis (FOSSIL) †
Glyptoleda reidi (FOSSIL) E.M. Fletcher, 1945 †
Ledella remensa (J.C. Melvill, 1895)
Nuculana reticulata (R.B. Hinds, 1843)
Nuculana rhytida (W.H. Dall, 1908)
Nuculana robai (J.T. Kuroda, 1929)
Nuculana robsoni B. Prashad, 1932
Ledella robusta F.R. Bernard, 1989