• Macoma Leach, 1819
• Macoma (Cymatoica) Dall, 1890 represented as Macoma Leach, 1819
• Macoma (Macalia) H. Adams, 1861 accepted as Macalia H. Adams, 1861
• Macoma (Macalia) bruguieri (Hanley, 1844) represented as Macalia bruguieri (Hanley, 1844)
• Macoma (Macoma) Leach, 1819 represented as Macoma Leach, 1819
• Macoma (Macoma) brota Dall, 1916 represented as Macoma brota Dall, 1916
• Macoma (Macoma) coani Kafanov & Lutaenko, 1999 represented as Macoma coani Kafanov & Lutaenko, 1999
• Macoma (Macoma) cuneipyga (Scarlato, 1981) represented as Macoma cuneipyga (Scarlato, 1981)
• Macoma (Macoma) elimata Dunnill & Coan, 1968 represented as Macoma elimata Dunnill & Coan, 1968
• Macoma (Macoma) inquinata (Deshayes, 1855) represented as Macoma inquinata (Deshayes, 1855)
• Macoma (Macoma) lipara Dall, 1916 represented as Macoma lipara Dall, 1916
• Macoma (Macoma) nasuta (Conrad, 1837) represented as Macoma nasuta (Conrad, 1837)
• Macoma (Macoma) oinomikadoi Otuka, 1939 represented as Macoma oinomikadoi Otuka, 1939
• Macoma (Macoma) optiva (Yokoyama, 1923) † represented as Macoma optiva (Yokoyama, 1923) †
• Macoma (Macoma) orientalis Golikov & Scarlato, 1967 accepted as Macoma scarlatoi Kafanov & Lutaenko, 1997
• Macoma (Macoma) scarlatoi Kafanov & Lutaenko, 1997 represented as Macoma scarlatoi Kafanov & Lutaenko, 1997
• Macoma (Macoma) simizuensis Krishtofovich, 1957 † represented as Macoma simizuensis L. Krishtofovich, 1954 †
• Macoma (Macoma) sokolovi (Bajarunas, 1910) † represented as Macoma sokolovi (Bajarunas, 1910) †
• Macoma (Macoploma) Pilsbry & Olsson, 1941 accepted as Macoploma Pilsbry & Olsson, 1941
• Macoma (Macoploma) ecuadoriana Pilsbry & Olsson, 1941 accepted as Macoploma ecuadoriana (Pilsbry & Olsson, 1941)
• Macoma (Macoploma) medioamericana Olsson, 1942 accepted as Macoploma ecuadoriana (Pilsbry & Olsson, 1941)
• Macoma (Pinguimacoma) Iredale, 1936 represented as Macoma Leach, 1819
• Macoma (Pinguimacoma) hemicilla (Iredale, 1936) represented as Macoma hemicilla (Iredale, 1936)
• Macoma (Psammacoma) Dall, 1900 accepted as Psammacoma Dall, 1900
• Macoma (Psammacoma) candida (Lamarck, 1818) accepted as Psammacoma candida (Lamarck, 1818)
• Macoma (Psammacoma) carlottensis Whiteaves, 1880 accepted as Macoma carlottensis Whiteaves, 1880
• Macoma (Psammacoma) consociata (E. A. Smith, 1885) accepted as Macomopsis moluccensis (E. von Martens, 1865)
• Macoma (Psammacoma) ecuadoriana Pilsbry & Olsson, 1941 accepted as Macoploma ecuadoriana (Pilsbry & Olsson, 1941)
• Macoma (Psammacoma) elliptica (Brocchi, 1814) † accepted as Macomopsis elliptica (Brocchi, 1814) †
• Macoma (Psammacoma) elongata A. I. Korobkov, 1994 † accepted as Macoma (Psammacoma) korobkovi Kafanov, Ogasawara & Marincovich, 2001 † accepted as Psammacoma korobkovi (Kafanov, Ogasawara & Marincovich, 2001) †
• Macoma (Psammacoma) elytrum Keen, 1958 accepted as Macoploma elytrum (Keen, 1958)
• Macoma (Psammacoma) extenuata Dall, 1900 accepted as Macoploma extenuata (Dall, 1900)
• Macoma (Psammacoma) extenuata var. panamensis Dall, 1900 accepted as Macoploma panamensis (Dall, 1900)
• Macoma (Psammacoma) georgiana Dell, 1964 accepted as Dellius georgianus (Dell, 1964)
• Macoma (Psammacoma) hesperus Dall, 1908 accepted as Macoploma hesperus (Dall, 1908)
• Macoma (Psammacoma) holmesii Dall, 1900 † (uncertain > unassessed)
• Macoma (Psammacoma) hosfordensis Mansfield, 1932 † (uncertain > unassessed)
• Macoma (Psammacoma) hybrida Weisbord, 1964 †
• Macoma (Psammacoma) inexpectata Cosel, 1995 accepted as Macoploma inexpectata (Cosel, 1995) accepted as Psammacoma inexpectata (Cosel, 1995)
• Macoma (Psammacoma) korobkovi Kafanov, Ogasawara & Marincovich, 2001 † accepted as Psammacoma korobkovi (Kafanov, Ogasawara & Marincovich, 2001) †
• Macoma (Psammacoma) lamproleuca (Pilsbry & H. N. Lowe, 1932) accepted as Macoploma lamproleuca (Pilsbry & H. N. Lowe, 1932)
• Macoma (Psammacoma) panamensis Dall, 1900 accepted as Macoploma panamensis (Dall, 1900)
• Macoma (Psammacoma) panamensis spectri Hertlein & A. M. Strong, 1949 accepted as Macoploma hesperus (Dall, 1908)
• Macoma (Psammacoma) platensis Dall, 1922 (uncertain > unassessed)
• Macoma (Psammacoma) pseudofallax Cosel, 1995 accepted as Psammacoma pseudofallax (Cosel, 1995)
• Macoma (Psammacoma) pulleyi P. Boyer, 1969 accepted as Macoploma pulleyi (P. Boyer, 1969)
• Macoma (Psammacoma) siliqua (C. B. Adams, 1852) accepted as Macoploma siliqua (C. B. Adams, 1852)
• Macoma (Psammacoma) tageliformis Dall, 1900 accepted as Macoploma tageliformis (Dall, 1900)
• Macoma (Psammacoma) yoldiformis P. P. Carpenter, 1864 accepted as Macoploma yoldiformis (P. P. Carpenter, 1864)
• Macoma (Psammacoma) zapotalensis (Spieker, 1922) † accepted as Psammacoma zapotalensis (Spieker, 1922) †
• Macoma (Rexithaerus) Tryon, 1869 accepted as Rexithaerus Tryon, 1869
• Macoma (Rexithaerus) hokkaidoensis Amano & Lutaenko, 1999 accepted as Rexithaerus hokkaidoensis (Amano & Lutaenko, 1999)
• Macoma (Rexithaerus) indentata P. P. Carpenter, 1864 accepted as Rexithaerus indentata (P. P. Carpenter, 1864)
• Macoma (Rexithaerus) indentata tenuirostris Dall, 1900 accepted as Rexithaerus indentata (P. P. Carpenter, 1864)
• Macoma (Rexithaerus) secta (Conrad, 1837) accepted as Rexithaerus sectus (Conrad, 1837)
• Macoma (Rexithaerus) sectior Oyama, 1950 accepted as Rexithaerus sectior (Oyama, 1950)
• Macoma (Rexithaerus) shiratoriensis (Matsubara, 1994) represented as Macoma shiratoriensis (Matsubara, 1994)
• Macoma (Salmacoma) Iredale, 1929 accepted as Salmacoma Iredale, 1929
• Macoma (Salmacoma) retrorsa (G. B. Sowerby II, 1867) accepted as Macomopsis moluccensis (E. von Martens, 1865)
• Macoma (Salmacoma) vappa (Iredale, 1929) accepted as Salmacoma vappa Iredale, 1929
• Macoma (Scissulina) Dall, 1924 accepted as Scissulina Dall, 1924
• Macoma acolasta Dall, 1921 accepted as Macoploma acolasta (Dall, 1921)
• Macoma aequalis (Deshayes, 1855) accepted as Tellinides aequalis (Deshayes, 1855)
• Macoma ala (Hanley, 1845) accepted as Tellina ala Hanley, 1845 accepted as Alaona ala (Hanley, 1845)
• Macoma alaskana Dall, 1900 accepted as Macoma moesta (Deshayes, 1855)
• Macoma alumensis Dall, 1900 † (uncertain > unassessed)
• Macoma anatinoides G. B. Sowerby III, 1915 accepted as Sylvanus anatinoides (G. B. Sowerby III, 1915)
• Macoma angusta E. A. Smith, 1915 accepted as Macoploma tenta (Say, 1838)
• Macoma anser Oyama, 1950 accepted as Limecola contabulata (Deshayes, 1855) accepted as Macoma contabulata (Deshayes, 1855)
• Macoma astori Dall, 1909 †
• Macoma aurora (Hanley, 1844) accepted as Psammotreta psammotella (Lamarck, 1818)
• Macoma awajiensis G. B. Sowerby III, 1914 accepted as Sylvanus lilium (Hanley, 1844)
• Macoma balaustina (Linnaeus, 1758) accepted as Arcopagia balaustina (Linnaeus, 1758) accepted as Arcopella balaustina (Linnaeus, 1758)
• Macoma balthica (Linnaeus, 1758)
• Macoma biota Arruda & Domaneschi, 2005 accepted as Austromacoma biota (Arruda & Domaneschi, 2005)
• Macoma blainvillei Melvill & Standen, 1907 (unaccepted > nomen nudum)
• Macoma blairensis E. A. Smith, 1906 accepted as Psammacoma gubernaculum (Hanley, 1844)
• Macoma brasiliana (Dall, 1921) accepted as Temnoconcha galathaea (Lamarck, 1818)
• Macoma brevifrons (Say, 1834) accepted as Psammotreta brevifrons (Say, 1834)
• Macoma brota Dall, 1916
• Macoma brota var. lipara Dall, 1916 accepted as Macoma lipara Dall, 1916
• Macoma bruguieri (Hanley, 1844) accepted as Macalia bruguieri (Hanley, 1844)
• Macoma bruuni Nicklès, 1955 accepted as Macomopsis bruuni (Nicklès, 1955)
• Macoma calcarea (Gmelin, 1791)
• Macoma calcarea podverjensis Merklin & Zarkhidze, 1979 †
• Macoma calcarea sedjagaica Merklin & Zarkhidze, 1979 †
• Macoma calcarea sootryeni Petrov, 1966 accepted as Macoma calcarea (Gmelin, 1791)
• Macoma calcarea var. longisinuata T. Soot-Ryen, 1932 accepted as Macoma calcarea (Gmelin, 1791)
• Macoma calcarea var. obliqua T. Soot-Ryen, 1932 accepted as Macoma calcarea (Gmelin, 1791)
• Macoma calcarea var. subovalis Posselt, 1895 accepted as Macoma moesta (Deshayes, 1855)
• Macoma caledonica G. B. Sowerby III, 1914 accepted as Jitlada philippinarum (Hanley, 1844)
• Macoma californiensis Bertin, 1878 accepted as Macalia bruguieri (Hanley, 1844)
• Macoma cancellata (G. B. Sowerby II, 1873) accepted as Rostrimacoma cancellata (G. B. Sowerby II, 1873)
• Macoma candida (Lamarck, 1818) accepted as Psammacoma candida (Lamarck, 1818)
• Macoma carlottensis Whiteaves, 1880
• Macoma cerina C. B. Adams, 1845
• Macoma chakeensis L. R. Cox, 1927 † (uncertain > unassessed)
• Macoma clathrata (Deshayes, 1835) accepted as Jactellina clathrata (Deshayes, 1835)
• Macoma cleryana (A. d'Orbigny, 1846) accepted as Psammotreta brevifrons (Say, 1834)
• Macoma coani Kafanov & Lutaenko, 1999