| Nominal Species (n = 77) | Present allocation (n = 67) | Ref. |
|---|---|---|
| Volvaria alba Brown, 1827 | Cylichna alba | 83435 |
| Cylichna alboguttata Smith, 1872 | Cylichna alboguttata | 83435 |
| Acteocina angustior Baker & Hanna, 1927 | Acteocina angustior | 19 |
| Tornatina apicina Gould, 1859 | Tornatina apicina | 7727 |
| Cylichna atlantica Smith, 1890 | Cylichna atlantica | 83435 |
| Acteocina atrata Mikkelsen & Mikkelsen, 1984 | Acteocina atrata | 19 |
| Cylichna attonsa Carpenter, 1865 | Cylichna attonsa | 19 |
| Bulla auberii d'Orbigny, 1841 | Cylichna auberii | 83435 |
| Atys bathymophila Dall, 1881 | Scaphander bathymophila | 83435 |
| Tornatina bermudensis Vanatta, 1901 | Acteocina bermudensis | 83435 |
| Bulla bidentata d'Orbigny, 1841 | Acteocina bidentata | 83435 |
| Cylichna bidentata D'Orbigny, 1841 | Acteocina bidentata | 75097 |
| Tornatella bullata Kiener, 1834 | Acteocina bullata | 83435 |
| Utriculastra canaliculata Say, 1826 | Acteocina canaliculata | 75097 |
| Volvaria canaliculata Say, 1826 | Acteocina canaliculata | 83435 |
| Bulla candei d'Orbigny, 1841 | Acteocina candei | 83435 |
| Retusa candei D'Orbigny, 1841 | Acteocina candei | 75097 |
| Cylichna corticata Beck, 1842 | Cylichna alba | 75097 |
| Cylichna crossei BucQuoy, Dautzenberg & Dollfus, 1886 | Cylichna crossei | 1056 |
| Retusa cumberlandiana Strebel, 1908 | Cylichna cumberlandiana | 83435 |
| Bulla cylindracea Pennant, 1777 | Cylichna cylindracea | 83435 |
| Cylichna dalli Verrill, 1882 | Cylichna vortex | 75097 |
| Scaphander darius Marcus & Marcus, 1967 | Scaphander darius | 19 |
| Tornatina decurrens Verrill & Bush, 1900 | Acteocina decurrens | 3446 |
| Cylichna discus Watson, 1886 | Cylichna discus | 19 |
| Cylichna eburnea Verrill, 1885 | Cylichna eburnea | 19 |
| Tornatina exserta Hedley, 1903 | Tornatina exserta | 7727 |
| Cylichnina georgiana Strebel, 1908 | Cylichna georgiana | 3477 |
| Retusa georgiana Strebel, 1908 | Cylichna georgiana | 83435 |
| Cylichnella goslineri Valdés & Camacho-García, 2004 | Cylichnella goslineri | 867 |
| Retusa gouldi Couthouy, 1839 | Cylichna gouldii | 75097 |
| Bulla gouldii Couthouy, 1839 | Cylichna gouldii | 83435 |
| Scaphander gracilis Watson, 1886 | Scaphander gracilis | 1056 |
| Retusa harpa Dall, 1871 | Acteocina harpa | 75097 |
| Acteocina hawaiensis Pilsbry, 1921 | Truncacteocina hawaiensis | 19 |
| Scaphander illecebrosus Iredale, 1925 | Scaphander illecebrosus | 7727 |
| Acteocina inconspicua Olsson & McGinty, 1958 | Acteocina inconspicua | 83435 |
| Acteocina intermedia Willett, 1928 | Acteocina eximia | 19 |
| Philine japonica Lischke, 1872 | Philine japonica | 77851 |
| Bogasonia jennyae Valdés, 2019 | Bogasonia jennyae | 3477 |
| Cylichna krebsii Mörch, 1875 | Cylichna krebsii | 83435 |
| Acteocina kristenseni Jong & Coomans, 1988 | Acteocina kristenseni | 83435 |
| Cylichna lemchei Bouchet & Warén, 1979 | Cylichna lemchei | 83435 |
| Acteocina lepta Woodring, 1928 | Acteocina lepta | 19 |
| Cylichna linearis Jeffreys, 1867 | Cylichna linearis | 19 |
| Tornatina liratispira Smith, 1872 | Acteocina liratispira | 83435 |
| Cylichna magna Lemche, 1941 | Cylichna magna | 83435 |
| Bulla mucronata Philippi, 1849 | Acteocina mucronata | 1056 |
| Scaphander nobilis Verrill, 1884 | Scaphander nobilis | 3446 |
| Cylichna obscura Sykes, 1903 | Cylichna obscura | 19 |
| Bulla occulta Mighels & Adams, 1842 | Cylichnoides occultus | 83435 |
| Acteocina oldroydi Dall, 1925 | Acteocina oldroydi | 19 |
| Bulla oryza Totten, 1835 | Cylichnella oryza | 83435 |
| Acteocina oyamai Kuroda & Habe, 1954 | Acteocina oyamai | 75927 |
| Tornatina parviplica Dall, 1894 | Acteocina parviplica | 83435 |
| Cylichna parvula Jeffreys, 1883 | Cylichna parvula | 1056 |
| Tornatina perplicata Dall, 1889 | Acteocina perplicata | 83435 |
| Tornatina perplicatus Dall, 1889 | Acteocina perplicata | 83435 |
| Scaphander pilsbryi McGinty, 1955 | Scaphander pilsbryi | 19 |
| Acteocina planulata Carpenter, 1865 | Acteocina inculta | 75097 |
| Cylichna protracta Gould, 1859 | Cylichna protracta | 3477 |
| Bulla punctostriatus Mighels & Adams, 1842 | Scaphander punctostriatus | 83435 |
| Cylichna remissa Smith, 1890 | Cylichna remissa | 83435 |
| Cylichna rimata Adams, 1862 | Cylichna rimata | 3477 |
| Acteocina sandwicensis Pease, 1860 | Acteocina sandwicensis | 3477 |
| Acteocina smirna Dall, 1919 | Acteocina smirna | 19 |
| Cylichna tahitensis Watson, 1883 | Cylichna tahitensis | 3477 |
| Cylichnella takekosugei Thach, 2020 | Cylichnella takekosugei | 3477 |
| Cylichna thetidis Hedley, 1903 | Cylichna thetidis | 7727 |
| Adamnestia tosaensis Habe, 1954 | Cylichna rimata | 3477 |
| Cylichna tubulosa Gould, 1859 | Cylichna tubulosa | 866 |
| Cylichna verrilli Dall, 1889 | Cylichna verrilli | 19 |
| Cylichna verrillii Dall, 1889 | Cylichna verrilli | 1667 |
| Bogasonia volutoides Warén, 1989 | Bogasonia volutoides | 3477 |
| Utriculus vortex Dall, 1881 | Cylichna vortex | 83435 |
| Scaphander watsoni Dall, 1881 | Scaphander watsoni | 19 |
| Scaphander willetti Dall, 1919 | Scaphander willetti | 19 |