| Nominal Species (n = 128) | Present allocation (n = 120) | Ref. |
|---|---|---|
| Scacchia aartseni Zettler & Hoffman, 2021 | Scacchia aartseni | 3477 |
| Mysella aleutica Dall, 1899 | Mysella aleutica | 19 |
| Mysella alpha Powell, 1937 | Mysella alpha | 8121 |
| Mysella antarctica Smith, 1907 | Mysella antarctica | 3477 |
| Solecardia antarctica Hedley, 1911 | Waldo parasiticus | 3477 |
| Borniopsis ariakensis Habe, 1959 | Borniopsis ariakensis | 3477 |
| Malvinasia arthuri Cooper & Preston, 1910 | Mysella arthuri | 83435 |
| Waldo arthuri Valentich-Scott, Ó Foighil & Li, 2013 | Waldo arthuri | 93935 |
| Erycina balliana Dall, 1916 | Erycina balliana | 19 |
| Bornia barbadensis Dall, 1889 | Bornia barbadensis | 83435 |
| Tellimya benthicola Dell, 1956 | Tellimya benthicola | 8121 |
| Mysella beta Powell, 1937 | Mysella beta | 8121 |
| Mysella bladensis Gardner, 1943 | Mysella bladensis | 83435 |
| Litigiella bouryi Lamy, 1913 | Litigiella bouryi | 83435 |
| Kellia bullata Philippi, 1845 | Kellia bullata | 83435 |
| Kellia cardiformis Smith, 1885 | Pseudokellya cardiformis | 3204 |
| Ceratobornia cema Narchi, 1966 | Ceratobornia cema | 3477 |
| Mysella charcoti Lamy, 1906 | Mysella charcoti | 3477 |
| Lasaea cistula Keen, 1938 | Lasaea cistula | 19 |
| Mysella compacta Gould, 1861 | Mysella compacta | 77690 |
| Rochefortia compressa Dall, 1913 | Rochefortia compressa | 19 |
| Lasaea consanguinea Smith, 1879 | Lasaea consanguinea | 3477 |
| Litigiella corgani van Aartsen, 1996 | Litigiella corgani | 3477 |
| Erycina coronata Dall, 1916 | Erycina coronata | 19 |
| Arthritica crassiformis Powell, 1933 | Arthritica crassiformis | 8121 |
| Montacuta cruzensis Usticke, 1969 | Montacuta cruzensis | 83435 |
| Kellia cycladea Wood, 1844 | Kellia cycladea | 19 |
| Montacuta dawsoni Jeffreys, 1864 | Montacuta dawsoni | 19 |
| Lasaea eastera Raines & Huber, 2012 | Lasaea eastera | 93550 |
| Montacuta echinocardiophila Habe, 1964 | Montacuta echinocardiophila | 77688 |
| Montacuta elevata Stimpson, 1851 | Kelliopsis elevata | 83435 |
| Epilepton elpis Allen, 2007 | Epilepton elpis | 83435 |
| Erycina emmonsi Dall, 1899 | Erycina emmonsi | 19 |
| Erycina fernandina Dall, 1899 | Erycina fernandina | 83435 |
| Erycina floridana Vanatta, 1904 | Orobitella floridana | 83435 |
| Pseudokellya franki Zelaya & Ituarte, 2009 | Pseudokellya franki | 83435 |
| Tellimya gibbosa Thiele, 1912 | Altenaeum gibbosum | 3477 |
| Pseudokellya gradata Thiele, 1912 | Pseudokellya gradata | 3477 |
| Mysella gregaria Rotvit, Lützen, Jespersen & Fox, 2007 | Kurtiella casta | 83435 |
| Rochefortia grippi Dall, 1912 | Rochefortia grippi | 19 |
| Lasaea hawaiiensis Dall, Bartsch & Rehder, 1938 | Lasaea hawaiiensis | 93550 |
| Mysella henryi Fleming, 1948 | Mysella henryi | 8121 |
| Lasaea hinemoa Finlay, 1928 | Lasaea hinemoa | 8121 |
| Scacchia huberi Zettler & Hoffman, 2021 | Scacchia huberi | 3477 |
| Arthritica hulmei Ponder, 1965 | Arthritica hulmei | 8121 |
| Arculus hyllebergi Middelfart & Lützen, 2021 | Arculus hyllebergi | 3477 |
| Pseudokellya inexpectata Dell, 1964 | Pseudokellya inexpectata | 83435 |
| Kellia japonica Pilsbry, 1895 | Kellia japonica | 77683 |
| Mysella lachlani Dell, 1952 | Mysella lachlani | 8121 |
| Mysella larochei Powell, 1940 | Mysella larochei | 8121 |
| Aligena laterodentata Harry, Britton & Nunley, 1980 | Kelliopsis laterodentata | 83435 |
| Amphidesma lepidum Say, 1826 | Lepton lepidum | 83435 |
| Lepton lepidum Say, 1826 | Lepton lepidum | 19 |
| Kellia leucedra Melvill & Standen, 1907 | Kellia leucedra | 3477 |
| Montacuta limpida Dall, 1899 | Montacuta limpida | 19 |
| Erycina linella Dall, 1899 | Erycina linella | 19 |
| Lasaea macrodon Stempell, 1899 | Lasaea macrodon | 691 |
| Pseudopythina macrophthalmensis Morton & Scott, 1989 | Pseudopythina macrophthalmensis | 77675 |
| Pseudopythina maipoensis Morton & Scott, 1989 | Pseudopythina maipoensis | 77675 |
| Montacuta maltzani Verkrüzen, 1875 | Boreacola maltzani | 3477 |
| Paraborniola matsumotoi Habe, 1957 | Paraborniola matsumotoi | 84917 |
| Lepton meroeum Carpenter, 1864 | Lepton meroeum | 19 |
| Kellia minima Ponder, 1971 | Kellia minima | 8121 |
| Montacuta minuscula Dall, 1899 | Montacuta minuscula | 19 |
| Nucula minuscula Pfeffer, 1886 | Mysella minuscula | 83435 |
| Mysella morioria Dell, 1952 | Mysella morioria | 8121 |
| Pseudopythina myaciformis Dall, 1916 | Neaeromya rugifera | 75097 |
| Kurtiella namibiensis Zettler & Hoffman, 2021 | Kurtiella namibiensis | 3477 |
| Borniola neozelanica Powell, 1937 | Borniola neozelanica | 8121 |
| Kellia nimrodiana Hedley, 1916 | Montacuta nimrodiana | 3477 |
| Montacuta nimrodiana Hedley, 1911 | Montacuta nimrodiana | 3477 |
| Lasaea nipponica Keen, 1938 | Lasaea nipponica | 77680 |
| Lepton nitidum Turton, 1822 | Hemilepton nitidum | 19 |
| Pseudopythina nodosa Morton & Scott, 1989 | Pseudopythina nodosa | 77675 |
| Pristes oblongus Carpenter, 1864 | Pristes oblongus | 19 |
| Pseudopythina ochetostomae Morton & Scott, 1989 | Pseudopythina ochetostomae | 77675 |
| Peregrinamor ohshimai Shoji, 1938 | Peregrinamor ohshimai | 77695 |
| Parabornia palliopapillata Simone, 2001 | Parabornia palliopapillata | 83435 |
| Lepton parasiticum Dall, 1876 | Waldo parasiticus | 3446 |
| Lasaea parengaensis Powell, 1935 | Lasaea parengaensis | 8121 |
| Borniola pasca Raines & Huber, 2012 | Borniola pasca | 93550 |
| Tellimya pauciradiata Raines & Huber, 2012 | Tellimya pauciradiata | 93550 |
| Mysella pedroana Dall, 1899 | Mysella pedroana | 19 |
| Montacuta percompressa Dall, 1899 | Montacuta percompressa | 19 |
| Erycina periscopiana Dall, 1899 | Erycina periscopiana | 19 |
| Synapticula perrieri Malard, 1904 | Devonia perrieri | 3446 |
| Poronia petitiana Récluz, 1843 | Lasaea petitiana | 3477 |
| Kellia planulata Stimpson, 1851 | Mysella planulata | 83435 |
| Kellia porculus Pilsbry, 1904 | Kellia porculus | 77683 |
| Borniola powelli Crozier, 1966 | Borniola powelli | 8121 |
| Lepton puncticulatum Yokoyama, 1924 | Melliteryx puncticulata | 3477 |
| Thecodonta rainesi Huber, 2012 | Thecodonta rainesi | 93550 |
| Tellimya reinga Crozier, 1966 | Tellimya reinga | 8121 |
| Kellia revimentalis Melvill & Standen, 1907 | Callomysia revimentalis | 3477 |
| Scacchia rodriguesensis Oliver & Holmes, 2004 | Scacchia rodriguesensis | 2922 |
| Lasaea rossiana Finlay, 1928 | Lasaea hinemoa | 3477 |
| Pythina rugifera Carpenter, 1864 | Neaeromya rugifera | 3477 |
| Barrimysia sagamiensis Kuroda & Habe, 1971 | Barrimysia siphonosomae | 77693 |
| Mysella sculpta Soot-Ryen, 1957 | Mysella sculpta | 3477 |
| Bornia sebetia Costa, 1829 | Bornia sebetia | 19 |
| Montacuta semiradiata Tate, 1889 | Montacuta semiradiata | 3477 |
| Entovalva semperi Ohshima, 1930 | Entovalva semperi | 77678 |
| Thecodonta sieboldi Adams, 1864 | Thecodonta sieboldi | 77696 |
| Thecodonta sieboldii Adams, 1864 | Thecodonta sieboldii | 77693 |
| Kellia simulans Smith, 1907 | Kellia simulans | 3477 |
| Barrimysia siphonosomae Morton & Scott, 1989 | Barrimysia siphonosomae | 77693 |
| Montacuta spitzbergensis Knipowitsch, 1901 | Montacuta spitzbergensis | 3477 |
| Parabornia squillina Boss, 1965 | Parabornia squillina | 19 |
| Mysella striatula Verrill & Bush, 1898 | Mysella striatula | 19 |
| Chironia suborbicularis Montagu, 1803 | Kellia suborbicularis | 75097 |
| Lepton substrigonum Jeffreys, 1873 | Lepton substrigonum | 3477 |
| Lasaea subviridis Dall, 1899 | Lasaea subviridis | 19 |
| Bornia tacaguana Weisbord, 1964 | Bornia tacaguana | 83435 |
| Hyalokellia tahaia Raines & Huber, 2012 | Hyalokellia tahaia | 93550 |
| Tellimya tahaia Raines & Huber, 2013 | Tellimya tahaia | 93550 |
| Montacuta tenella Loven, 1846 | Tellimya tenella | 2684 |
| Aligena texasiana Harry, 1969 | Kelliopsis texasiana | 19 |
| Kurtiella thielei Huber, 2015 | Kurtiella thielei | 3477 |
| Waldo trapezialis Zelaya & Ituarte, 2002 | Waldo trapezialis | 83435 |
| Borniopsis tsurumaru Habe, 1959 | Borniopsis tsurumaru | 3477 |
| Boreacola vadosa Bernard, 1979 | Boreacola maltzani | 3477 |
| Boreacola vadosus Bernard, 1979 | Boreacola maltzani | 19 |
| Myllitella vivens Finlay, 1926 | Myllitella vivens | 8121 |
| Myllitella vivens pinguis Marwick, 1928 | Myllitella vivens pinguis | 8121 |
| Montacuta voeringi Friele, 1879 | Montacuta voeringi | 3477 |
| Bornia walvisensis Zettler & Hoffman, 2021 | Bornia walvisensis | 3477 |
| Montacuta yamakawai Yokoyama, 1922 | Borniopsis yamakawai | 3477 |
| Scacchia zorni van Aartsen & Fehr-de Wal, 1985 | Scacchia zorni | 1398 |