| Scientific Name | Author | English Name |
|---|---|---|
| Waldo arthuri | Valentich-Scott, Ó Foighil & Li, 2013 | |
| Waldo parasiticus | (Dall, 1876) | |
| Waldo trapezialis | Zelaya & Ituarte, 2002 | |
| Tomburchus redondoensis | (Burch, 1941) | |
| Thecodonta sieboldii | Adams, 1864 | |
| Thecodonta rainesi | Huber, 2012 | |
| Thecodonta sieboldi | Adams, 1864 | |
| Tellimya semirubra | (Gaglini, 1992) | |
| Tellimya tahaia | Raines & Huber, 2013 | |
| Tellimya tenella | (Lovén, 1846) | |
| Tellimya vitrea aupouria | (Ponder, 1968) | |
| Tellimya pauciradiata | Raines & Huber, 2012 | |
| Tellimya phascolionis | (Dautzenberg & Fischer, 1925) | |
| Tellimya reinga | Crozier, 1966 | |
| Tellimya ferruginosa | (Montagu, 1808) | |
| Tellimya benthicola | Dell, 1956 | |
| Scacchia zorni | van Aartsen & Fehr-de Wal, 1985 | |
| Scacchia rodriguesensis | Oliver & Holmes, 2004 | |
| Scacchia huberi | Zettler & Hoffman, 2021 | |
| Scacchia oblonga | (Philippi, 1836) | |
| Scacchia aartseni | Zettler & Hoffman, 2021 | |
| Rochefortia tumida | (Carpenter, 1864) | Robust mysella |
| Rochefortia compressa | Dall, 1913 | Compressed mysella |
| Rochefortia grippi | Dall, 1912 | Elliptical mysella |
| Rhamphidonta retifera | (Dall, 1899) | Netted kellyclam |
| Radobornia bryani | (Pilsbry, 1920) | |
| Pythinella cuneata | (Verrill & Bush, 1898) | Cuneate montacutid |
| Pseudopythina subsinuata | (Lischke, 1871) | |
| Pseudopythina ochetostomae | Morton & Scott, 1989 | |
| Pseudopythina maipoensis | Morton & Scott, 1989 | |
| Pseudopythina nodosa | Morton & Scott, 1989 | |
| Pseudopythina macrophthalmensis | Morton & Scott, 1989 | |
| Pseudopythina compressa | unspecified | |
| Pseudopythina macandrewi | (Fischer, 1867) | |
| Pseudokellya inexpectata | Dell, 1964 | |
| Pseudokellya franki | Zelaya & Ituarte, 2009 | |
| Pseudokellya gradata | Thiele, 1912 | |
| Pseudokellya cardiformis | (Smith, 1885) | |
| Pristes oblongus | Carpenter, 1864 | Chiton clam |
| Peregrinamor ohshimai | Shoji, 1938 | |
| Parabornia squillina | Boss, 1965 | Squillaclam |
| Paraborniola matsumotoi | Habe, 1957 | |
| Parabornia palliopapillata | Simone, 2001 | |
| Orobitella limpida | (Dall, 1899) | Limpid montacutid |
| Orobitella floridana | (Dall, 1899) | Giant montacutid |
| Orobitella californica | (Dall, 1899) | California erycina |
| Nipponomysella oblongata | (Yokoyama, 1922) | |
| Nesobornia bulla | (Gould, 1861) | |
| Neaeromya rugifera | (Carpenter, 1864) | Wrinkled montacutid |
| Neaeromya floridana | (Dall, 1899) | |
| Neaeromya compressa | (Dall, 1899) | Compressed montacutid |
| Myllitella vivens | Finlay, 1926 | |
| Myllitella vivens pinguis | Marwick, 1928 | |
| Myllita stowei | (Hutton, 1873) | |
| Mysella unidentata | (Odhner, 1924) | |
| Mysella tumida | (Carpenter, 1864) | |
| Mysella tumidula | (Jeffreys, 1866) | |
| Mysella triquetra | (Verrill & Bush, 1898) | Triangular mysella |
| Mysella triangularis | (Adams, 1856) | |
| Mysella tellinula | (Odhner, 1924) | |
| Mysella sculpta | Soot-Ryen, 1957 | |
| Mysella striatula | Verrill & Bush, 1898 | Scratched mysella |
| Mysella subquadrata | (Pelseneer, 1903) | |
| Mysella planulata | (Stimpson, 1851) | Plate mysella |
| Mysella planata | (Krause, 1885) | Flat mysella |
| Mysella pedroana | Dall, 1899 | San Pedro mysella |
| Mysella ovata | (Jeffreys, 1881) | Ovate mysella |
| Mysella mutsuwanensis | (Yamamoto & Habe, 1959) | |
| Mysella morioria | Dell, 1952 | |
| Mysella moelleri | (Posselt, 1898) | Dirty mysella |
| Mysella minuscula | (Pfeffer, 1886) | |
| Mysella macquariensis | (Hedley, 1916) | |
| Mysella larochei | Powell, 1940 | |
| Mysella lachlani | Dell, 1952 | |
| Mysella henryi | Fleming, 1948 | |
| Mysella hounselli | (Powell, 1931) | |
| Mysella grippi | (Dall, 1912) | |
| Mysella grebnitzkii | (Dall, 1916) | |
| Mysella golischi | (Dall, 1916) | |
| Mysella compressa | (Dall, 1913) | |
| Mysella dawsoni | (Jeffreys, 1864) | |
| Mysella compacta | Gould, 1861 | |
| Mysella charcoti | Lamy, 1906 | |
| Mysella bladensis | Gardner, 1943 | |
| Mysella casta | (Verrill & Bush, 1898) | Pure mysella |
| Mysella beta | Powell, 1937 | |
| Mysella beringensis | (Dall, 1916) | |
| Mysella arthuri | (Cooper & Preston, 1910) | |
| Mysella alpha | Powell, 1937 | |
| Mysella antarctica | Smith, 1907 | |
| Mysella aleutica | Dall, 1899 | |
| Montacuta voeringi | Friele, 1879 | |
| Montacuta substriata | (Montagu, 1808) | Substriated montacuta |
| Montacuta semiradiata | Tate, 1889 | |
| Montacuta spitzbergensis | Knipowitsch, 1901 | |
| Montacuta percompressa | Dall, 1899 | Much-compressed montacutid |
| Montacuta nimrodiana | Hedley, 1911 | |
| Montacuta goudi | (van Aartsen, 1996) | |
| Montacuta limpida | Dall, 1899 | |
| Montacuta minuscula | Dall, 1899 | |
| Montacuta donacina | (Wood, 1802) | |
| Montacuta echinocardiophila | Habe, 1964 | |
| Montacuta dawsoni | Jeffreys, 1864 | |
| Montacuta cruzensis | Usticke, 1969 | |
| Mioerycina coarctata | (Wood, 1851) | |
| Melliteryx parva | (Deshayes, 1856) | |
| Melliteryx puncticulata | (Yokoyama, 1924) | |
| Mancikellia pumila | (Wood, 1850) | |
| Litigiella corgani | van Aartsen, 1996 | |
| Litigiella glabra | (Fischer, 1873) | |
| Litigiella bouryi | Lamy, 1913 | |
| Lepton substrigonum | Jeffreys, 1873 | |
| Lepton squamosum | (Montagu, 1803) | |
| Lepton meroeum | Carpenter, 1864 | |
| Lepton lepidum | Say, 1826 | Graceful lepton |
| Lepton lacerum | (Jeffreys, 1872) | |
| Lasaea rubra | (Montagu, 1803) | |
| Lasaea subviridis | Dall, 1899 | |
| Lasaea undulata | (Gould, 1861) | |
| Lasaea parengaensis | Powell, 1935 | |
| Lasaea petitiana | (Récluz, 1843) | |
| Lasaea maoria | (Powell, 1933) | |
| Lasaea nipponica | Keen, 1938 | |
| Lasaea hinemoa | Finlay, 1928 | |
| Lasaea macrodon | Stempell, 1899 | |
| Lasaea eastera | Raines & Huber, 2012 | |
| Lasaea hawaiiensis | Dall, Bartsch & Rehder, 1938 | |
| Lasaea cistula | Keen, 1938 | |
| Lasaea consanguinea | Smith, 1879 | |
| Lasaea australis | (Lamarck, 1818) | |
| Lasaea adansoni | (Gmelin, 1791) | Reddish lepton |
| Kurtiella tumidula | (Jeffreys, 1866) | |
| Kurtiella thielei | Huber, 2015 | |
| Kurtiella triangularis | (Watson, 1897) | |
| Kurtiella planulata | (W. Stimpson, 1851) | |
| Kurtiella pellucida | (Jeffreys, 1881) | |
| Kurtiella casta | (Verrill & Bush, 1898) | |
| Kurtiella namibiensis | Zettler & Hoffman, 2021 | |
| Kurtiella ovata | (Jeffreys, 1881) | |
| Kurtiella bidentata | (Montagu, 1803) | |
| Kurtiella barbadensis | (Dall, 1899) | |
| Kelliopsis texasiana | (Harry, 1969) | Texas aligena |
| Kelliopsis laterodentata | (Harry, Britton & Nunley, 1980) | |
| Kelliopsis jozinae | (van Aartsen & Carrozza, 1997) | |
| Kelliopsis elevata | (Stimpson, 1851) | Eastern aligena |
| Kelliola symmetros | (Jeffreys, 1876) | |
| Kellia suborbicularis | (Montagu, 1803) | Suborbicular kellyclam |
| Kellia simulans | Smith, 1907 | |
| Kellia porculus | Pilsbry, 1904 | |
| Kellia minima | Ponder, 1971 | |
| Kellia leucedra | Melvill & Standen, 1907 | |
| Kellia cycladiformis | (Deshayes, 1851) | |
| Kellia japonica | Pilsbry, 1895 | |
| Kellia cycladea | Wood, 1844 | |
| Kellia bullata | Philippi, 1845 | |
| Isorobitella trigonalis | (Carpenter, 1857) | Trigonal montacutid |
| Hyalokellia tahaia | Raines & Huber, 2012 | |
| Hemilepton solidulum | (Gaglini, 1992) | |
| Hemilepton nitidum | (Turton, 1822) | Shining lepton |
| Fronsella fujitaniana | (Yokoyama, 1927) | |
| Erycina periscopiana | Dall, 1899 | Periscope erycina |
| Erycina linella | Dall, 1899 | Lined erycina |
| Erycina fernandina | Dall, 1899 | |
| Erycina coronata | Dall, 1916 | |
| Erycina emmonsi | Dall, 1899 | Rectangular erycina |
| Erycina balliana | Dall, 1916 | |
| Epilepton parrussetensis | (Giribet & Peñas, 1999) | |
| Epilepton elpis | Allen, 2007 | |
| Epilepton clarkiae | (Clark, 1852) | |
| Entovalva semperi | Oshima, 1930 | |
| Devonia perrieri | (Malard, 1904) | Leptosynapta montacutid |
| Decipula tenella | (Loven, 1846) | |
| Curvemysella paula | (Adams, 1856) | |
| Curvemysella sibogai | (Prashad, 1932) | |
| Coracuta obliquata | (Chaster, 1897) | |
| Ceratobornia cema | Narchi, 1966 | |
| Callomysia revimentalis | (Melvill & Standen, 1907) | |
| Borniopsis yamakawai | (Yokoyama, 1922) | |
| Borniopsis tsurumaru | Habe, 1959 | |
| Borniola taieriensis | (Powell, 1939) | |
| Borniopsis ariakensis | Habe, 1959 | |
| Borniola reniformis | (Suter, 1908) | |
| Borniola quadrata | (Dell, 1956) | |
| Borniola profunda | (Dell, 1952) | |
| Borniola powelli | Crozier, 1966 | |
| Borniola neozelanica | Powell, 1937 | |
| Borniola pasca | Raines & Huber, 2012 | |
| Borniola decapitata | (Powell, 1939) | |
| Borniola bidentifera | (Powell, 1933) | |
| Bornia walvisensis | Zettler & Hoffman, 2021 | |
| Bornia tacaguana | Weisbord, 1964 | |
| Bornia sebetia | Costa, 1829 | |
| Bornia longipes | (Stimpson, 1855) | Borniaclam |
| Bornia geoffroyi | (Payraudeau, 1826) | |
| Bornia barbadensis | Dall, 1889 | |
| Boreacola maltzani | (Verkrüzen, 1875) | Arctic montacutid |
| Boreacola dawsoni | (Jeffreys, 1864) | Hook-hinge montacutid |
| Barrimysia siphonosomae | Morton & Scott, 1989 | |
| Barrimysia cumingii | (Adams, 1856) | |
| Arthritica bifurca | (Webster, 1908) | |
| Arthritica crassiformis | Powell, 1933 | |
| Arthritica hulmei | Ponder, 1965 | |
| Arculus hyllebergi | Middelfart & Lützen, 2021 | |
| Altenaeum mabillei | (Dall, 1908) | |
| Altenaeum gibbosum | (Thiele, 1912) |