Drepanostomella nautiliforme (C. Porro, 1836)
Scolodonta nitidula (W.L.H. Dohrn, 1882)
Zilchistrophia obvoluta (F. Haas, 1949)
Guestieria olssoni H.A. Pilsbry, 1932
Miradiscops opal (H.A. Pilsbry, 1920)
Systrophia ortoni (J.C.H. Crosse, 1871)
Miradiscops panamensis H.A. Pilsbry, 1930
Happia pebasensis H.B. Preston, 1914
Wayampia peruviana (H.B. Preston, 1907)
Systrophia pilsbryi W.K. Weyrauch, 1958
Drepanostomella pinchoti H.A. Pilsbry, 1930
Systrophiella planior (F. Haas, 1951)
Systrophiella planispira W.K. Weyrauch, 1967
Entodina platygyra (J.A. Albers, 1857)
Systrophia platysma F. Haas, 1951
Systrophia polycycla (P.M.A. Morelet, 1860)
Happia ponsonbyi (H.A. Pilsbry & W.F. Clapp,1902)
Systrophiella pseudoplanorbis (W. . Lubomirski, 1879)
Happia pucayaensis H.B. Preston, 1914
Miradiscops puncticipitis (H.A. Pilsbry, 1926)
Wayampia retinella (F. Haas, 1949)
Scolodonta rinae Miquel & Bungartz, 2017
Happia rosenbergiana H.B. Preston, 1914
Systrophia sandwichensis (L. Pfeiffer, 1849)
Systrophia sargenti (H.A. Pilsbry, 1900)
Zilchistrophia shiwiarorum B. Páll-Gergely, 2013
Guestieria shuttleworthi (L. Pfeiffer, 1851)
Systrophia siolii F. Haas, 1955
Happia snethlagei F.C. Baker, 1914
Scolodonta spirorbis (G.P. Deshayes, 1850)
Systrophia starkii (H.B. Baker)
Systrophia stenogyra (L. Pfeiffer, 1854)
Systrophia stenostrepta (L. Pfeiffer, 1856)
Drepanostomella stolli (E.C. Von Martens, 1892)
Wayampia suborbicula (W.L.H. Dohrn, 1882)