Systellomphalus peronatus (FOSSIL) H.A. Pilsbry& A.A. Olsson, 1941 †
Cyclostremiscus perparvus (C.B. Adams, 1852)
Teinostoma perspicuum (A. Adams, 1861)
Cyclostremiscus peruvianus H.A. Pilsbry & A.A. Olsson,1945
Ovini petalius L.R.L. Simone, 2013
Cyclostremiscus petiti (FOSSIL) Perrilliat, 2013 †
Solariorbis petitii (P. Fischer, 1857)
Idioraphe phacoton (FOSSIL) Gardner, 1947 †
Vitrinella philippii A. Issel, 1869
Anticlimax philippinensis F. Rubio & E. Rolán, 2014
Circuitus philippinensis Rubio & Rolán, 2017
Tuberes philippinensis Rubio & Rolán, 2017
Anticlimax philsmithi F. Rubio & E. Rolán, 2014
Pseudoliotia philtata (C. Hedley, 1900)
Anticlimax pilsbryi (J.T.L. McGinty, 1945)
Solariorbis pilsbryi (FOSSIL) B.M. Landau, F. Da Silva& S.M. Heitz, 2016 †
Adeorbella pissarroi (FOSSIL) (Cossmann, 1902) †
Teinostoma planibasis? (FOSSIL) A.E.M. Cossmann& M.A. Peyrot, 1921 †
Cochliolepis planispiralis F. Rubio, R. Fernández-Garcés& E. Rolán, 2011
Circlotoma planorbis C.F. Laseron, 1958
Tornus planorbula (A. Adams, 1850)
Cyclostremiscus planospira H.A. Pilsbry & A.A. Olsson,1945
Cyclostremiscus planospiratus (P.P. Carpenter, 1857)
Cochliolepis planulata (G.B. Sowerby, 1892)
Sigaretornus planus (A. Adams, 1850)
Monodosus planus Rubio & Rolán, 2016
Teinostoma politum (A. Adams, 1853)
Vitrinella politurae E. Rolán & F. Rubio, 1999
Circulus politus (FOSSIL) H.H. Suter, 1917 †
Vitrinella ponceliana L. de Folin, 1867
Aorotrema pontogenes (J.S. Schwengel& J.T.L. McGinty, 1942)
Tuberes postremus Rubio & Rolán, 2017
Circulus praecedens (FOSSIL) (A. von Koenen, 1882 †)
Tornus praecursor (FOSSIL) (Tate) †
Idioraphe prenanum (FOSSIL) B. Wade, 1926 †