Aclis georgiana Dall, 1927 accepted as Hemiaclis georgiana (Dall, 1927) (additional source)
Aclis mizon R. B. Watson, 1881 accepted as Costaclis mizon (R. B. Watson, 1881) (basis of record)
Aclis muchia Locard, 1896 accepted as Aclis mizon R. B. Watson, 1881 accepted as Costaclis mizon (R. B. Watson, 1881) (basis of record)
Aclis pendata Dall, 1927 accepted as Aclis stilifer Dall, 1927 (additional source)
Aclis scalaris (Talavera, 1975) accepted as Aclis talaverai Brunetti & Cresti, 2018 (basis of record)
Aclis supranitida var. lata Dall, 1889 accepted as Umbilibalcis lata (Dall, 1889) (basis of record)
Aclis trilirata de Folin, 1873 accepted as Teretianax trilirata (de Folin, 1873) (basis of record)
Aclis ventrosa Friele, 1876 accepted as Hemiaclis ventrosa (Friele, 1876) (basis of record)
Alaba incolorata Thiele, 1912 accepted as Hemiaclis incolorata (Thiele, 1912) (basis of record)
Alaba violacea P. P. Carpenter, 1857 accepted as Microeulima terebralis (P. P. Carpenter, 1857) (source of synonymy)
Amamibalcis comoxensis (Bartsch, 1917) (basis of record)
Amamibalcis conspicua (A. N. Golikov, 1985) (basis of record)
Amamibalcis flavipunctata (T. Habe, 1961) (basis of record)
Amamibalcis gracillima (G. B. Sowerby II, 1865) (basis of record)
Annulobalcis marshalli Warén, 1981 (basis of record)
Annulobalcis melvilli (Schepman, 1909) (basis of record)
Apicalia gibba A. Adams, 1862 (basis of record)
Apicalia immaculata (Pritchard & Gatliff, 1900) accepted as Apicalia brazieri (Angas, 1877) (basis of record)
Apicalia mabutii (Nomura & Hatai, 1935) accepted as Parvioris fulvescens (A. Adams, 1854) (basis of record)
Apicalia melvilli (Schepman, 1909) (basis of record)
Apicalia micans (Tenison Woods, 1876) accepted as Eulima tenisoni Tryon, 1886 (basis of record)
Apicalia taiwanica Kuroda, 1964 (basis of record)
Apicalia tryoni (Tate & May, 1900) (basis of record)
Bacula lamberti (Souverbie, 1875) accepted as Bacula striolata H. Adams & A. Adams, 1863 (basis of record)
Badenia lactea (H. J. Finlay, 1926) † accepted as Onoba lactea (Finlay, 1926) † (basis of record)
Balcis (Vitreolina) drangai Hertlein & A. M. Strong, 1951 accepted as Vitreolina drangai (Hertlein & A. M. Strong, 1951) (basis of record)
Balcis akauni T. Habe, 1952 accepted as Eulitoma akauni (T. Habe, 1952) (additional source)
Balcis alertae Dell, 1956 accepted as Melanella alertae (Dell, 1956) (basis of record)
Balcis arcuata Leach, 1852 (basis of record)
Balcis atlantica (E. A. Smith, 1890) accepted as Melanella atlantica (E. A. Smith, 1890) (basis of record)
Balcis aupouria A. W. B. Powell, 1937 accepted as Curveulima aupouria (A. W. B. Powell, 1937) (basis of record)
Balcis bollonsi A. W. B. Powell, 1937 accepted as Curveulima bollonsi (A. W. B. Powell, 1937) (basis of record)
Balcis brunnimaculata Kay, 1979 accepted as Melanella brunnimaculata (Kay, 1979) (basis of record)
Balcis conspicuus A. N. Golikov, 1985 accepted as Balcis conspicua A. N, Golikov, 1985 accepted as Amamibalcis conspicua (A. N. Golikov, 1985) (basis of record)
Balcis delmontensis A. G. Smith & M. Gordon, 1948 accepted as Eulima thersites P. P. Carpenter, 1864 accepted as Melanella thersites (P. P. Carpenter, 1864) (basis of record)
Balcis drangai Hertlein & A. M. Strong, 1951 accepted as Vitreolina drangai (Hertlein & A. M. Strong, 1951) (basis of record)
Balcis komaii Habe, 1950 accepted as Curveulima komaii (Habe, 1950) (basis of record)
Balcis kyurokusinensis Nomura & Hatai, 1940 accepted as Melanella odontoidea (A. Adams, 1861) (basis of record)
Balcis maoria A. W. B. Powell, 1940 accepted as Melanella maoria (A. W. B. Powell, 1940) (basis of record)
Balcis maui Dell, 1952 accepted as Melanella maui (Dell, 1952) (basis of record)
Balcis montagui Gray, 1847 accepted as Melanella alba (da Costa, 1778) (basis of record)
Balcis otakauica Dell, 1956 accepted as Curveulima otakauica (Dell, 1956) (basis of record)
Balcis persimilis Kuroda & T. Habe, 1971 accepted as Melanella persimilis (Kuroda & T. Habe, 1971) (basis of record)
Balcis puhana Dell, 1956 accepted as Melanella puhana (Dell, 1956) (basis of record)
Balcis testacea Leach, 1852 (basis of record)
Balcis titubans S. S. Berry, 1956 accepted as Vitreolina titubans (S. S. Berry, 1956) (basis of record)
Batheulima apicofusca (Locard, 1897) accepted as Batheulima fuscoapicata (Jeffreys, 1884) (basis of record)
Benthonella nisonis Dall, 1889 accepted as Thaleia nisonis (Dall, 1889) (basis of record)
Bonellia brunnea (G. B. Sowerby I, 1834) accepted as Niso brunnea (G. B. Sowerby I, 1834) (basis of record)
Bonellia imbricata (G. B. Sowerby I, 1834) accepted as Niso imbricata (G. B. Sowerby I, 1834) (basis of record)
Bonellia interrupta (G. B. Sowerby I, 1834) accepted as Niso interrupta (G. B. Sowerby I, 1834) (basis of record)
Bonellia obtusa Anton, 1838 (basis of record)
Bonellia splendidula (G. B. Sowerby I, 1834) accepted as Niso splendidula (G. B. Sowerby I, 1834) (basis of record)
Capulus (Thyca) elegans Tapparone Canefri, 1877 accepted as Capulus elegans Tapparone Canefri, 1877 (basis of record)
Capulus elegans Tapparone Canefri, 1877 (basis of record)
Chileutomia corallina Hedley, 1912 accepted as Oceanida corallina (Hedley, 1912) (basis of record)
Chileutomia neozelanica A. W. B. Powell, 1940 (basis of record)
Cingulina carinata Mörch, 1876 accepted as Pyramidelloides carinatus (Mörch, 1876) (basis of record)
Costaclis joubini (Dautzenberg & Fischer, 1897) accepted as Costaclis mizon (R. B. Watson, 1881) (basis of record)
Costaclis muchia (Locard, 1896) accepted as Costaclis mizon (R. B. Watson, 1881) (basis of record)
Costaclis nucleata (Dall, 1889) accepted as Costaclis hyalina (R. B. Watson, 1881) (basis of record)
Curveulima abrupta Laseron, 1955 (basis of record)
Curveulima capensis (Thiele, 1915) (basis of record)
Curveulima carifa (Bartsch, 1915) (basis of record)
Curveulima denscolubri (Melvill, 1896) (basis of record)
Curveulima icafra (Bartsch, 1915) (basis of record)
Curveulima indiscreta (Tate, 1898) (basis of record)
Curveulima kowiensis (W. H. Turton, 1932) (basis of record)
Curveulima litoris Laseron, 1955 (basis of record)
Curveulima manifesta Laseron, 1955 (basis of record)
Curveulima obtusa Laseron, 1955 accepted as Melanella obtusa (Laseron, 1955) (basis of record)
Curveulima pinguicula (A. Adams, 1861) (basis of record)
Curveulima quantilla (W. H. Turton, 1932) accepted as Curveulima icafra (Bartsch, 1915) (basis of record)
Cuspeulima fasciata (R. B. Watson, 1883) accepted as Melanella fasciata (R. B. Watson, 1883) (basis of record)
Cuspeulima incidenta Laseron, 1955 accepted as Sticteulima incidenta (Laseron, 1955) (basis of record)
Cuspeulima iredalei Laseron, 1955 accepted as Melanella acicula (A. Gould, 1849) (basis of record)
Cuspeulima portensis Laseron, 1955 accepted as Sticteulima portensis (Laseron, 1955) (basis of record)
Cuspeulima sobrina Laseron, 1955 accepted as Hemiliostraca sobrina (Laseron, 1955) (basis of record)
Cythnia asteriaphila P. P. Carpenter, 1864 (additional source)
Echineulima apiculata (Souverbie, 1862) accepted as Echineulima mittrei (Petit de la Saussaye, 1851) (basis of record)
Echineulima dubia (Baird, 1873) accepted as Echineulima mittrei (Petit de la Saussaye, 1851) (basis of record)
Echineulima eburnea (Deshayes, 1863) accepted as Echineulima mittrei (Petit de la Saussaye, 1851) (basis of record)
Echineulima ovata (Pease, 1861) accepted as Apicalia ovata (Pease, 1861) (basis of record)
Echineulima palucciae [sic] accepted as Echineulima paulucciae (P. Fischer, 1864) (basis of record)
Echineulima ponderi Warén, 1980 (basis of record)
Echineulima thaanumi (Pilsbry, 1921) (basis of record)
Echineulima tokiokai (Habe, 1952) accepted as Echineulima mittrei (Petit de la Saussaye, 1851) (basis of record)
Entoconcha muelleri C. Semper, 1868 accepted as Enteroxenos muelleri (C. Semper, 1868) (basis of record)
Entoconcha parasita (Baur, 1864) accepted as Entoconcha mirabilis J. Müller, 1852 (basis of record)
Eulima (Balcis) microstoma ibizenca F. Nordsieck, 1968 accepted as Parvioris ibizenca (F. Nordsieck, 1968) (basis of record)
Eulima (Leiostraca) amanda Thiele, 1925 accepted as Eulima amanda (Thiele, 1925) (basis of record)
Eulima (Leiostraca) padangensis Thiele, 1925 accepted as Eulima padangensis (Thiele, 1925) (basis of record)
Eulima (Leiostraca) tornata Thiele, 1925 accepted as Eulima tornata (Thiele, 1925) (basis of record)
Eulima (Stiliferina) fischeri Dautzenberg, 1912 represented as Eulima fischeri Dautzenberg, 1912 (basis of record)
Eulima (Subularia) hypolysina Melvill, 1904 accepted as Oceanida hypolysina (Melvill, 1904) (basis of record)
Eulima abbreviata Jeffreys, 1884 accepted as Batheulima abbreviata (Jeffreys, 1884) (basis of record)
Eulima acerrima R. B. Watson, 1883 (basis of record)
Eulima adamantina de Folin, 1867 accepted as Melanella adamantina (de Folin, 1867) (basis of record)
Eulima aequatorialis Thiele, 1925 accepted as Melanella aequatorialis (Thiele, 1925) (basis of record)
Eulima aethiopica Thiele, 1925 accepted as Melanella aethiopica (Thiele, 1925) (basis of record)

 Synonymy

 for Melanella (Melanella) tacomaensis Bartsch, 1917

possibly a synonym of Melanella (Balcis) comoxensis Bartsch, 1917, in genus Amamibalcis [details]

 Synonymy

 for Melanella berryi Bartsch, 1917

possibly a synonym of Melanella (Balcis) comoxensis Bartsch, 1917, in genus Amamibalcis [details]

 Taxonomy

 for Curveulima flavipunctata T. Habe, 1961

possibly in genus Amamibalcis  [details]

 Taxonomy

 for Eulima fasciata R. B. Watson, 1883

possibly in genus Cuspeulima [details]