Allocharopa okeana C.J. Gabriel, 1947
Flammulina olivacea H.H. Suter, 1892
Nautiliropa omicron (L. Pfeiffer, 1851)
Therasia ophelia (L. Pfeiffer, 1855)
Sinployea otareae (A. Garrett, 1872)
Oreomava otwayensis (W.F. Petterd, 1879)
Allodiscus pallidus B.A. Marshall & G.M. Barker,2008
Lenwebbia paluma J. Stanisic, 1993
Egestula pandora (N.W. Gardner, 1967)
Gerontia pantherina F.W. Hutton, 1883
Pilsbrycharopa papuana (G.A. Solem, 1958)
Costallodiscus parrishi B.A. Marshall & G.M. Barker,2008
Charopa parva (H.H. Suter, 1909)
Coenocharopa parvicostata J. Stanisic, 1990
Amphidoxa patagonica (H.H. Suter, 1900)
Allodiscus patulus B.A. Marshall & G.M. Barker,2008
Gyrocochlea paucilamellata J. Stanisic, 1990
Fectola paytoni (F.M. Climo, 1970)
Sinployea peasei (G.A. Solem, 1982)
Therasiella pectinifera (A.W.B. Powell, 1935)
Costallodiscus pegasus B.A. Marshall & G.M. Barker,2008
Flammulina perdita F.W. Hutton, 1883
Rhophodon peregrinus C. Hedley, 1924
Phenacohelix perplexa (R. Murdoch, 1897)
Dipnelix pertricosa T. Iredale, 1937
Egilomen pexa (J.C. Cox, 1868)
Beilania philippinensis (C.G. Semper, 1874)
Penescosta piger T. Iredale, 1945
Charopa pilsbryi H.H. Suter, 1894
Phenacohelix pilula (L.A. Reeve, 1852)
Sinployea pitcairnensis R.C. Preece, 1995
Trachycystis placenta (J.C. Melvill& J.H. Ponsonby, 1899)
Gyrocochlea planorbis C. Hedley, 1924
Sinployea planospira (A. Garrett, 1872)
Chaureopa planulata (F.W. Hutton, 1883)