Systellomphalus peronatus (FOSSIL) H.A. Pilsbry& A.A. Olsson, 1941 † Ecuador, Manabi
Cyclostremiscus perparvus (C.B. Adams, 1852) Panama, Bucaro
Teinostoma perspicuum (A. Adams, 1861)
Cyclostremiscus peruvianus H.A. Pilsbry& A.A. Olsson, 1945 Peru
Ovini petalius L.R.L. Simone, 2013 Brazil, São Mateus1,4 mm
Cyclostremiscus petiti (FOSSIL) Perrilliat, 2013 † Mexico
Solariorbis petitii (P. Fischer, 1857) Guadeloupe2,5 mm
Idioraphe phacoton (FOSSIL) Gardner, 1947 † USA, Florida, Liberty
Vitrinella philippii A. Issel, 1869 West America
Anticlimax philippinensis F. Rubio & E. Rolán, 2014 Philippines, Balicasag Island1,6 mm
Circuitus philippinensis Rubio & Rolán, 2017
Tuberes philippinensis Rubio & Rolán, 2017
Anticlimax philsmithi F. Rubio & E. Rolán, 2014 Papua New Guinea1,5 mm
Pseudoliotia philtata (C. Hedley, 1900) Queensland
Anticlimax pilsbryi (J.T.L. McGinty, 1945) Belize
Solariorbis pilsbryi (FOSSIL) B.M. Landau, F. Da Silva& S.M. Heitz, 2016 † Venezuela
Adeorbella pissarroi (FOSSIL) (Cossmann, 1902) †
Teinostoma planibasis? (FOSSIL) A.E.M. Cossmann& M.A. Peyrot, 1921 † France, Aquitaine
Cochliolepis planispiralis F. Rubio, R. Fernández-Garcés& E. Rolán, 2011
Circlotoma planorbis C.F. Laseron, 1958 Northern Territory
Tornus planorbula (A. Adams, 1850) Japan, Kagoshima
Cyclostremiscus planospira H.A. Pilsbry& A.A. Olsson, 1945 West America
Cyclostremiscus planospiratus (P.P. Carpenter, 1857) Galapagos
Cochliolepis planulata (G.B. Sowerby, 1892) South Africa2,7 mm
Sigaretornus planus (A. Adams, 1850) Taiwan
Monodosus planus Rubio & Rolán, 2016
Teinostoma politum (A. Adams, 1853) Mexico
Vitrinella politurae E. Rolán & F. Rubio, 1999 Cape Verde
Circulus politus (FOSSIL) H.H. Suter, 1917 †
Vitrinella ponceliana L. de Folin, 1867 West America
Aorotrema pontogenes (J.S. Schwengel& J.T.L. McGinty, 1942) Florida
Tuberes postremus Rubio & Rolán, 2017
Circulus praecedens (FOSSIL) (A. von Koenen, 1882 †) Netherlands
Tornus praecursor (FOSSIL) (Tate) † UK, Scotland
Idioraphe prenanum (FOSSIL) B. Wade, 1926 † Tennessee, McNairy County