| Scientific Name | Author | English Name |
|---|---|---|
| Ceraesignum maximum | (Sowerby, 1825) | Great worm shell |
| Cupolaconcha meroclista | (Hadfield & Kay, 1972) | |
| Dendropoma anguliferum | (Monterosato, 1884) | |
| Dendropoma corrodens | (d'Orbigny, 1842) | Ringed wormsnail |
| Dendropoma exsertum | (Dall, 1881) | |
| Dendropoma gregarium | Hadfield & Kay, 1972 | |
| Dendropoma irregulare | (d'Orbigny, 1842) | Irregular wormsnail |
| Dendropoma lituella | (Morch, 1861) | Flat wormsnail |
| Dendropoma mejillonense | Pacheco & Laudien, 2008 | |
| Dendropoma nebulosum | (Dillwyn, 1817) | |
| Dendropoma petraeum | (Monterosato, 1884) | |
| Dendropoma platypus | Mörch, 1861 | |
| Dendropoma rastrum | (Morch, 1861) | California wormsnail |
| Dendropoma rhyssoconchum | Hadfield & Kay, 1972 | |
| Eualetes tulipa | (Chenu, 1843) | |
| Petaloconchus cochlidium | Carpenter, 1857 | |
| Petaloconchus compactus | (Carpenter, 1864) | Compact wormsnail |
| Petaloconchus complicatus | Dall, 1908 | |
| Petaloconchus erectus | (Dall, 1888) | Erect wormsnail |
| Petaloconchus flavescens | (Carpenter, 1857) | |
| Petaloconchus floridanus | Olsson & Harbison, 1953 | Florida worm shell |
| Petaloconchus glomeratus | (Linnaeus, 1758) | |
| Petaloconchus keenae | Hadfield & Kay, 1972 | |
| Petaloconchus macrophragma | (Carpenter, 1856) | |
| Petaloconchus mcgintyi | (Olsson & Harbison, 1953) | McGinty wormsnail |
| Petaloconchus montereyensis | Dall, 1919 | Monterey wormsnail |
| Petaloconchus myrakeenae | Absalao & Rios, 1987 | |
| Petaloconchus nigricans | (Dall, 1884) | |
| Petaloconchus renisectus | Carpenter, 1857 | |
| Petaloconchus varians | (d'Orbigny, 1841) | Variable wormsnail |
| Serpulorbis arenarius | (Linnaeus, 1767) | Worm shell |
| Serpulorbis birugosus | Weisbord, 1962 | |
| Serpulorbis catella | Weisbord, 1962 | |
| Serpulorbis colubrinus | (Röding, 1798) | Snake-like worm shell |
| Serpulorbis daidai | Scheuwimmer & Nishiwaki, 1982 | |
| Serpulorbis decussatus | (Gmelin, 1791) | Decussate wormsnail |
| Serpulorbis dentiferus | (Sowerby, 1820) | |
| Serpulorbis medusae | (Pilsbry, 1891) | Jellyfish worm shell |
| Serpulorbis riisei | (Mörch, 1862) | |
| Serpulorbis roussaei | (Vaillant, 1871) | |
| Serpulorbis squamolineatus | Petuch, 2002 | |
| Thylacodes adamsii | (Mörch, 1859) | |
| Thylacodes colubrinus | (Röding, 1798) | |
| Thylacodes decussatus | (Gmelin, 1791) | |
| Thylacodes sipho | (Lamarck, 1818) | |
| Thylacodes squamigerus | (Carpenter, 1857) | Scaled wormsnail |
| Thylacodes variabilis | (Hadfield & Kay, 1972) | Vermetid worm |
| Vermetus brasiliensis | Rousseau, 1843 | |
| Vermetus compactus | unspecified | Northern compact wormsnail |
| Vermetus granulatus | (Gravenhorst, 1831) | |
| Vermetus rugulosus | Monterosato, 1878 | |
| Vermetus semisurrectus | Bivona Ant., 1832 | |
| Vermetus tokyoensis | Pilsbry, 1895 | |
| Vermetus triquetrus | Bivona Ant., 1832 |