| Melanella junieri Espinosa, Ortea & Magaña, 2006 |
| Melanella nilae Engl, 2006 |
| Vitreobalcis nutans (Mühlfeld, 1824) |
| Eulima onychina Folin, 1867 |
| Melanella oleacea (Kurtz & Stimpson, 1851) |
| Melanella ophiodon Dall, 1927 |
| Melanella orphanensis Clarke, 1974 |
| Melanella parallela Dall, 1927 |
| Fusceulima projectilabrum Bouchet & Warén, 1986 |
| Eulima patula Dall & Simpson, 1901 |
| Niso portoricensis Dall & Simpson, 1901 |
| Melanella penna Dall, 1927 |
| Scalenostoma perrierae Barros, Padovan & Santos, 2001 |
| Melanella perversa (Bush, 1909) |
| Stilapex polaris (Hedley, 1916) |
| Annulobalcis procera Simone, 2002 |
| Melanella psila (Watson, 1883) |
| Pyramidelloides multicostatus Faber, 1990 |
| Eulima mulata Rios & Absalao, 1990 |
| Melanella karolinae Engl, 2006 |
| Rectilabrum lanceolatum Bouchet & Warén, 1986 |
| Umbilibalcis lata (Dall, 1889) |
| Niso lomana Bartsch, 1917 [Extralimital] |
| Melanella lucida (A. E. Verrill, 1884) |
| Entocolax ludwigii Voigt, 1888 |
| Batheulima lutescens Simone, 2002 |
| Mucronalia mammillata Dall, 1927 |
| Monogamus minibulla (Olsson & McGinty, 1958) |
| Ophieulima minima (Dall, 1927) |
| Vitreolina maracuya (Espinosa, Ortea & Magaña, 2001) |
| Melanella marviva Espinosa, Ortea & Magaña, 2006 |
| Eulima masseneti Folin, 1867 |
| Niso microforis Dall, 1927 |
| Pelseneeria minuta (Dall, 1927) |
| Costaclis mizon (Watson, 1881) |
| Eulima rectiuscula Dall, 1890 |
| Melanella salvadori Castellanos, Rolán & Bartolotta, 1987 |
| Melanella sankurieae Engl, 2004 |
| Melanella versa Dall, 1927 |
| Eulima varians Sowerby I, 1834 [Extralimital] |
| Hemiaclis ventrosa (Friele, 1874) |
| Coenaculum weerdtae Moolenbeek & Faber, 1992 |
| Nanobalcis worsfoldi Warén, 1990 |
| Vitreolina zugnigae (Espinosa, Ortea & Magaña, 2001) |
| Eulimostraca armonica Espinosa & Ortea, 2007 |
| Ophiolamia armigeri Warén & Carney, 1981 |
| Melanella arleyi Espinosa, Ortea & Magaña, 2001 |
| Vitreolina arcuata (C. B. Adams, 1850) |
| Melanella antarctica (Strebel, 1908) |
| Polygireulima amblytera (Verrill & Bush, 1900) |
| Niso albida Dall, 1889 |
| Vitreolina alayoi (Espinosa, Ortea & Magaña, 2001) |
| Niso aeglees Bush, 1885 |
| Melanella anachorea Dall, 1927 |
| Halielloides verrilliana (Bush, 1909) |
| Melanella tumidula (Thiele, 1912) |
| Melanella sarissa (Watson, 1883) |
| Melanella sarsi (Bush, 1909) |
| Entocolax schwanwitschi Heding, 1938 |
| Melanella solitaria (E. A. Smith, 1915) |
| Scalenostoma subulatum (Broderip, 1832) |
| Melanella stamina Dall, 1927 |
| Ersilia stancyki Warén, 1980 |
| Haliella stenostoma (Jeffreys, 1858) |
| Pelseneeria stimpsonii (A. E. Verrill, 1872) |
| Melanella subantarctica (Strebel, 1908) |
| Eulimostraca subcarinata (d'Orbigny, 1841) |
| Vitreolina subconica (E. A. Smith, 1890) |
| Pelseneeria sudamericana Pastorino & Zelaya, 2001 |
| Niso tricolor Dall, 1889 |
| Pyramidelloides triliratus (Folin, 1873) |
| Sabinella troglodytes (Thiele, 1925) |
| Melanella abida Dall, 1927 |
| Melanella jamaicensis (C. B. Adams, 1845) |
| Pisolamia brychia (Watson, 1883) |
| Eulima chionea Bouchet & Warén, 1986 |
| Melanella chydaea (Watson, 1883) |
| Eulima chyta Watson, 1883 |
| Melanella cinca Dall, 1927 |
| Niso circinata Dall, 1889 |
| Vitreolina colini Espinosa & Ortea, 2006 |
| Melanella corrida Dall, 1927 |
| Vitreolina conica (C. B. Adams, 1850) |
| Melanella conoidea (Kurtz & Stimpson, 1851) |
| Melanella convexa (E. A. Smith, 1907) |
| Diacolax cucumariae Mandahl-Barth, 1946 |
| Melanella cylindrata (Watson, 1883) |
| Eulimostraca dalmata Espinosa & Ortea, 2007 |
| Costaclis egregia (Dall, 1889) |
| Eulima elata (Dall, 1927) |
| Melanella eburnea (Mühlfeld, 1824) [Dubious name] |
| Melanella chaunax (Watson, 1883) |
| Melanella chascanon (Watson, 1883) |
| Eulima atlantica E. A. Smith, 1890 |
| Melanella atypha (Verrill & Bush, 1900) |
| Eulima auricincta (Abbott, 1958) |
| Annulobalcis aurisflamma Simone & Martins, 1995 |
| Pyramidelloides barbadensis Moolenbeek & Faber, 1992 |
| Vitreolina bermudezi (Pilsbry & Aguayo, 1933) |
| Eulima bifasciata d'Orbigny, 1841 |
| Melanella boscheineni Engl, 2004 |
| Melanella breviuscula (Dunker, 1875) |
| Melanella compsa (Verrill & Bush, 1900) |
| Mucronalia bulimuloides Dall, 1927 |
| Melanella callistemma Dall, 1927 |
| Leiostraca carforti Rochebrune & Mabille, 1889 |
| Pyramidelloides carinatus (Mörch, 1876) |
| Melanella carolii (Dall, 1889) [Dubious name] |
| Melanella chariessa (A. E. Verrill, 1884) |
| Eulimostraca encalada Espinosa, Ortea & Magaña, 2006 |
| Melanella engonia (Verrill & Bush, 1900) |
| Eulima germana E. A. Smith, 1890 |
| Melanella guenteri Engl, 2004 |
| Melanella guildingii (A. Adams, 1854) |
| Melanella ira Dall, 1927 |
| Melanella hebes (Watson, 1883) |
| Microeulima hemphillii (Dall, 1884) |
| Niso hendersoni Bartsch, 1953 |
| Oceanida inglei Lyons, 1978 |
| Melanella hians (Watson, 1883) |
| Megadenus holothuricola Rosen, 1910 |
| Costaclis hyalina (Watson, 1881) |
| Melanella hyalina (Watson, 1883) |
| Melanella hypsela (Verrill & Bush, 1900) |
| Hemiaclis incolorata (Thiele, 1912) |
| Eulimostraca indomatta Simone & Birman, 2007 |
| Melanella insculpta Bouchet & Warén, 1986 |
| Eulitoma insignis (Dautzenberg & Fischer, 1896) |
| Oceanida graduata Folin, 1871 |
| Eulima gracillima Sowerby II, 1865 [Extralimital?] |
| Eulima ephamilla Watson, 1883 |
| Batheulima epixantha Simone, 2002 |
| Trochostilifer eucidaricola Warén & Moolenbeek, 1989 |
| Melanella eulimoides (C. B. Adams, 1850) |
| Melanella exulata (E. A. Smith, 1915) |
| Oceanida faberi Jong & Coomans, 1988 |
| Melanella fasciata (Watson, 1883) |
| Melanella fernandinae Dall, 1927 |
| Eulima fuscescens E. A. Smith, 1890 |
| Batheulima fuscoapicata (Jeffreys, 1884) |
| Melanella fuscopunctata (E. A. Smith, 1890) |
| Eulima fulvocincta C. B. Adams, 1850 |
| Eulima fusus Dall, 1889 |
| Pyramidelloides glaber Faber, 1990 |
| Melanella gomphus (Watson, 1883) |
| Melanella gracilis (C. B. Adams, 1850) |
| Hemiaclis katrinae Engl, 2006 |
