Afrophysa brasiliensis (Küster, 1844) (basis of record)
Amecanauta D. W. Taylor, 2003 (original description)
Amecanauta jaliscoensis D. W. Taylor, 2003 (original description)
Amuraplexa Starobogatov & Prozorova, 1989 (additional source)
Amuraplexa amurensis (Starobogatov & Prozorova, 1989) (basis of record)
Aplexa J. Fleming, 1820 (basis of record)
Aplexa hypnorum (Linnaeus, 1758) (basis of record)
Aplexa venezuelensis (E. von Martens, 1859) (basis of record)
Archiphysa D. W. Taylor, 2003 accepted as Physella Haldeman, 1842 (original description)
Archiphysa laphami (F. C. Baker, 1928) accepted as Physella laphami F. C. Baker, 1928 (basis of record)
Archiphysa sonomae D. W. Taylor, 2003 accepted as Physella sonomae (D. W. Taylor, 2003) (original description)
Austrinauta D. W. Taylor, 2003 (original description)
Austrinauta elatus (A. Gould, 1853) (new combination reference)
Beringophysa Starobogatov & Budnikova, 1976 (additional source)
Beringophysa jennessi (Dall, 1919) accepted as Physa jennessi Dall, 1919 (additional source)
Caribnauta D. W. Taylor, 2003 (original description)
Caribnauta harryi D. W. Taylor, 2003 (original description)
Chiapaphysa D. W. Taylor, 2003 (original description)
Chiapaphysa grijalvae D. W. Taylor, 2003 (original description)
Chiapaphysa pacifica D. W. Taylor, 2003 (original description)
Haitia Clench & Aguayo, 1932 accepted as Physella (Acutiana) Fagot, 1883 represented as Physella Haldeman, 1842 (basis of record)
Haitia acuta (Draparnaud, 1805) accepted as Physella acuta (Draparnaud, 1805) (basis of record)
Haitia venustula (A. Gould, 1847) accepted as Physella venustula (A. Gould, 1847) (basis of record)
Mayabina D. W. Taylor, 2003 (original description)
Mayabina carolita (Jousseaume, 1887) (basis of record)
Mayabina nitidula (Clessin, 1886) (basis of record)
Mayabina obtusa (Clessin, 1885) (basis of record)
Mayabina petenensis D. W. Taylor, 2003 (original description)
Mayabina polita D. W. Taylor, 2003 (original description)
Mayabina sanctijohannis D. W. Taylor, 2003 (original description)
Mayabina tempisquensis D. W. Taylor, 2003 (original description)
Mexinauta D. W. Taylor, 2003 (original description)
Mexinauta aurantius (P. P. Carpenter, 1857) (basis of record)
Mexinauta nicaraguanus (Morelet, 1851) (additional source)
Mexinauta peruvianus (J. E. Gray, 1828) (basis of record)
Mexinauta princeps (Phillips, 1846) (basis of record)
Paraplexa Starobogatov, 1989 (basis of record)
Paraplexa cornea (Massot, 1845) (basis of record)
Physa Draparnaud, 1801 (basis of record)
Physa arachleica Starobogatov & Prozorova, 1989 (additional source)
Physa chippevarum (D. W. Taylor, 2003) (original description)
Physa dalmatina Küster, 1844 (basis of record)
Physa hankensis Starobogatov & Prozorova, 1989 (basis of record)
Physa megalochlamys D. W. Taylor, 1988 (basis of record)
Physa mirollii D. W. Taylor, 2003 (original description)
Physa skinneri D. W. Taylor, 1954 (basis of record)
Physa streletzkajae Starobogatov & Budnikova, 1967 (basis of record)
Physa taslei Bourguignat, 1860 (basis of record)
Physa vernalis D. W. Taylor & Jokinen, 1984 (basis of record)
Physella Haldeman, 1842 (basis of record)
Physella columbiana (Hemphill, 1890) (additional source)
Physella costata (Newcomb, 1861) (basis of record)
Physella hemphilli D. W. Taylor, 2003 (original description)
Physella hordacea (I. Lea, 1864) (additional source)
Physella jamaicensis (C. B. Adams, 1851) (basis of record)
Physella johnsoni (Clench, 1926) (additional source)
Physella lordi (Baird, 1863) (additional source)
Physella magnalacustris (B. Walker, 1901) accepted as Physella gyrina (Say, 1821) (additional source)
Physella parkeri (Currier, 1881) accepted as Physella gyrina (Say, 1821) (additional source)
Physella patzcuarensis (Pilsbry, 1891) (additional source)
Physella porteri (Germain, 1913) (basis of record)
Physella propinqua (Tryon, 1865) (source of synonymy)
Physella venustula (A. Gould, 1847) (basis of record)
Physella vinosa (A. Gould, 1847) (additional source)
Physella virginea (A. Gould, 1847) (source of synonymy)
Physella wrighti Te & A. H. Clarke, 1985 accepted as Physella gyrina (Say, 1821) (basis of record)
Sibirenauta Starobogatov & Streletzkaja, 1967 (additional source)
Sibirenauta elongata (Say, 1821) (additional source)
Sibirenauta tuwaensis Starobogatov & Zatravkin, 1989 (additional source)
Stenophysa marmorata (Guilding, 1828) (basis of record)
Stenophysa spathidophallus D. W. Taylor, 2003 (original description)
Tropinauta D. W. Taylor, 2003 (original description)
Tropinauta sinusdulcensis D. W. Taylor, 2003 (original description)
Ultraphysella D. W. Taylor, 2003 (original description)
Ultraphysella sinaloae D. W. Taylor, 2003 (original description)
Utahphysa D. W. Taylor, 2003 accepted as Physella Haldeman, 1842 (original description)
Utahphysa microstriata (Chamberlin & E. G. Berry, 1930) accepted as Physella gyrina (Say, 1821) (basis of record)