Archiphysa ashmuni D.W. Taylor, 2003
Archiphysa laphami (F.C. Baker, 1928)
Archiphysa latchfordii (F.C. Baker, 1928)
Archiphysa lordi (W. Baird, 1863)
Archiphysa sonomae (A.G. Smith, 1967)
Archiphysa zomos (J.L.Jr. Baily& J.L.Jr. Baily, 1952)
Chiapaphysa pacifica D.W. Taylor, 2003
Physella acuta (J.P.R. Draparnaud, 1805)
Physella ancillaria (T. Say, 1825)
Physella cooperi (G.W. Tryon, 1865)
Physella gyrina (T. Say, 1821)
Physella gyrina aurea (I. Lea, 1838)
Physella gyrina elliptica (I. Lea, 1834)
Physella gyrina hawni I. Lea, 1864
Physella gyrina microstoma (S.S. Haldeman, 1840)
Physella gyrina saffordi (I. Lea, 1864)
Physella gyrina smithiana F.C. Baker, 1920
Physella gyrina smithsoniana I. Lea, 1864
Physella hemphilli D.W. Taylor, 2003
Physella heterostropha (T. Say, 1817)
Physella johnsoni (W.J. Clench, 1926)
Physella nuttallii (I. Lea, 1864)
Physella platensis Unknown
Physella propinqua G.W. Tryon, 1865
Physella propinqua venusta I. Lea, 1864
Physella sayi C.M. Tapparone-Canefri,1876
Physella sayi warreniana (I. Lea, 1864)
Physella spelunca (H. Turner & W.J. Clench,1974)
Physella umbilicata (J.W. Mighels, 1848)
Physella utahensis (W.J. Clench, 1925)
Physella winnipegensis E. Pip, 2004
Physella wrighti G.A. Te & A.H. Clarke,1985
Ultraphysella sinaloae D.W. Taylor, 2003