Cantrainea philipiana (W.H. Dall, 1889)
Homalopoma philippiana (W.H. Dall, 1889)
Collonista picta (W.H. Pease, 1868)
Bothropoma pilula (R.W. Dunker, 1860)
Bothropoma ponsonbyi (G.B. III Sowerby, 1897)
Cirsochilus praecursor A.E.M. Cossmann, 1907
Cirsochilus priscus (FOSSIL) (Powell, 1935 †)
Adeorbisina procera (FOSSIL) J. Szabo, 1981 †
Homalopoma profundum Y.F. Huang, C.C. Fu& G.T. Poppe, 2016
Argalista proimpervia (FOSSIL) C.R. Laws, 1935 †
Argalista promicans (FOSSIL) C.R. Laws, 1936 †
Argalista proumbilicata (FOSSIL) Finlay, 1930 †
Argalista provariecostata (FOSSIL) C.R. Laws, 1948 †
Bothropoma pseudomunda (FOSSIL) M. Harzhauser, 2014 †
Collonista purpurata (G.P. Deshayes, 1863)
Collonia pusilla (FOSSIL) J.P.J. Ravn, 1933 †
Homalopoma pustulatum (G.B. Brocchi, 1821)
Spiromoelleria quadrae (W.H. Dall, 1897)
Homalopoma quantillum (A.A. Gould, 1861)
Homalopoma quantillum carmineum (P. Bartsch, 1915)
Homalopoma quasinuda (FOSSIL) A.E.M. Cossmann & G. Pissarro †,
Homalopoma radiatum (W.H. Dall, 1918)
Collonia reflexa (FOSSIL) (Münster, 1841 †)
Collonia reyti (FOSSIL) (A.E.M. Cossmann& M.A. Peyrot, 1916 †)
Bothropoma rhysopoma (K.H. Barnard, 1964)
Argalista rosea (J.E. Tenison-Woods,1876)
Argalista roseopunctata (G.F. Angas, 1880)
Argalista rotata (C. Hedley, 1899)
Argalista rotella A.W.B. Powell, 1937
Homalopoma rotundatum (G.B. III Sowerby, 1892)
Rhombipoma rowleyana J.H. McLean, 2012
Leptothyra rubens J.C. Melvill & R. Standen,1903
Homalopoma rubidum (W.H. Dall, 1908)
Collonista rubricincta (J.W. Mighels, 1845)
Emiliotia rubrostriata (E. Rolán, F. Rubio& R. Fernández-Garcés, 1997)