Euomphalus pentangulatus (FOSSIL) J. de C. Sowerby, 1814 †
Philoxene perlongus (FOSSIL) J. Perner, 1903 †
Straparollus permianus (FOSSIL) (King, 1848 †)
Euomphalus pernodosus (FOSSIL) F.B. Meek & A.H. Worthen,1870 †
Philoxene perprofondus (FOSSIL) J. Perner, 1903 †
Euomphalus perspectivus (FOSSIL) Swallow, 1863 †
Amphiscapha peruviana (FOSSIL) Chronic, 1949 †
Euomphalus perversus (FOSSIL) d'Orbigny, 1842 †
Nodeuomphalus peskensis (FOSSIL) (Mazaev, 1994 †)
Straparollus pileopsideus (FOSSIL) B. Phillips, 1836 †
Nodeuomphalus pirochiensis (FOSSIL) (Mazaev, 1994 †)
Philoxene planiformis (FOSSIL) Heidelberger & K. Bandel,1999 †
Straparollus planodiscus (FOSSIL) J.W. Hall, 1860 †
Euomphalus planodorsatus (FOSSIL) F.B. Meek & A.H. Worthen,1860 †
Straparollus planorbiformis (FOSSIL) de Koninck, 1881 †
Centrifugus planorbis (FOSSIL) (H.G. Bronn, 1835 †)
Euomphalus planorbis (FOSSIL) d'Archiac & de Verneuil,1842 †
Straparollus planus (FOSSIL) Heidelberger, 2001 †
Philoxene plicatulus (FOSSIL) J. Perner, 1903 †
Euomphalus plummeri (FOSSIL) Knight, 1934 †
Straparollus portlandensis (FOSSIL) Fenton & Fenton, 1924 †
Philoxene praestans (FOSSIL) (J. Perner, 1903 †)
Euomphalopterus praetextus (FOSSIL) Lindström, 1884 †
Novakopteron pravoslavi (FOSSIL) Horný, 2001 †
Centrifugus procera (FOSSIL) (J. Perner, 1907 †)
Poleumita prosseri (FOSSIL) Foerste, 1919 †
Amphiscapha proxima (FOSSIL) E.L. Yochelson, 1956 †
Discotropis publicus (FOSSIL) E.L. Yochelson, 1956 †
Euomphalus pugilis (FOSSIL) B. Phillips, 1836 †
Euomphalus pugiloides (FOSSIL) I. Hayasaka, 1967 †
Stusakia pulchra (FOSSIL) Frýda, 1998 †
Straparollus pulchrior (FOSSIL) Hudleston †
Leptomphalus pusillus (FOSSIL) (L. Waagen, 1880 †)
Euomphalus qingyanensis (FOSSIL) Yin & E.L. Yochelson,1983 †
Straparollus quadrivolvis (FOSSIL) J.W. Hall, 1856 †