| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Macoma acolasta Dall, 1921 |
Morsel macoma | East Pacific | |
| Macoma angusta Smith, 1915 |
Western Atlantic | 1.65 | |
| Macoma aurora (Hanley, 1844) |
Western Atlantic | ||
| Macoma balthica (Linnaeus, 1758) |
Baltic macoma | Arctic, Northern Atlantic, Northeast Pacific and the Mediterranean Sea | 3.8 |
| Macoma baltica (Linnaeus, 1758) |
Northeast Atlantic | ||
| Macoma biota Arruda & Domaneschi, 2005 |
Western Atlantic | 5.32 | |
| Macoma brevifrons (Say, 1834) |
Short macoma | North America | 3.6 |
| Macoma brota Dall, 1916 |
Heavy macoma | Northeast Pacific and the Arctic | 7.5 |
| Macoma calcarea (Gmelin, 1791) |
Chalky macoma | Arctic, Pacific Ocean and Atlantic Ocean | 6 |
| Macoma candida (Lamarck, 1818) |
Indo-West Pacific | ||
| Macoma carlottensis Whiteaves, 1880 |
Charlotte macoma | Northeast Pacific | 2.5 |
| Macoma cerina Adams, 1845 |
Waxy macoma | North America | |
| Macoma cleryana (d'Orbigny, 1846) |
Western Atlantic | 3.4 | |
| Macoma constricta (Bruguiere, 1792) |
Constricted macoma | Western Central Atlantic | |
| Macoma crassula (Deshayes, 1855) |
Thick macoma | Northern Atlantic, Arctic and Northwest Pacific | |
| Macoma cumana (Costa, 1829) |
Mediterranean Sea | ||
| Macoma dexioptera Baxter, 1977 |
Rightwing macoma | East Pacific | |
| Macoma elimata Dunnill & Coan, 1968 |
Beveled macoma | Pacific Ocean | 3.5 |
| Macoma expansa Carpenter, 1864 |
Expanded macoma | Pacific Ocean | 5 |
| Macoma extenuata Dall, 1900 |
Slender macoma | North America | 1.4 |
| Macoma fallax Bertin, 1878 |
Western Pacific | ||
| Macoma galathea (Lamarck, 1818) |
Western Pacific | ||
| Macoma golikovi Scarlato & Kafanov, 1988 |
Arctic and Northern Pacific | ||
| Macoma incongrua (Martens, 1865) |
Incongruous macoma | Northern Pacific | |
| Macoma inconspicua unspecified |
Canada | ||
| Macoma indentata Carpenter, 1864 |
Indented macoma | East Pacific | |
| Macoma indifferens Sowerby, 1914 |
Western Pacific | ||
| Macoma inornata (Hanley, 1844) |
Southwest Atlantic and Southeast Pacific | ||
| Macoma inquinata (Deshayes, 1855) |
Pointed macoma | Northeast Pacific | 6.3 |
| Macoma irus (Hanley, 1845) |
Northwest Pacific | ||
| Macoma lama Bartsch, 1929 |
Aleutian macoma | Northeast Pacific | 4.5 |
| Macoma limula Dall, 1895 |
Little-file macoma | North America | |
| Macoma lipara Dall, 1916 |
Sleek macoma | Pacific Ocean | 7.5 |
| Macoma litoralis (Krauss, 1848) |
Western Indian Ocean | ||
| Macoma loveni (Jensen, 1905) |
Inflated macoma | ||
| Macoma lucerna (Hanley, 1844) |
Western Pacific | ||
| Macoma melo (Sowerby, 1866) |
Mediterranean macoma | Mediterranean Sea | |
| Macoma middendorffi Dall, 1884 |
Middendorff macoma | East Pacific | |
| Macoma mitchelli Dall, 1895 |
Matagorda macoma | North America | 1.9 |
| Macoma moesta (Deshayes, 1855) |
Flat macoma | Eastern Pacific, Arctic and Northern Atlantic | 3 |
| Macoma moluccensis (Martens, 1865) |
Western Pacific | ||
| Macoma nasuta (Conrad, 1837) |
Bent-nose macoma | Northeast Pacific | 7.5 |
| Macoma nipponica (Tokunaga, 1906) |
Northwest Pacific | ||
| Macoma nobilis (Hanley, 1844) |
Western Pacific | ||
| Macoma obliqua (Sowerby, 1817) |
Oval macoma | Northeast Pacific | 5 |
| Macoma petalum (Valenciennes, 1821) |
Western Atlantic and Eastern Pacific | 1.6 | |
| Macoma phenax Dall, 1900 |
Cheating macoma | North America | 1.8 |
| Macoma praetexta (Martens, 1865) |
Marten's Macoma | Northwest Pacific | |
| Macoma pseudomera Dall & Simpson, 1901 |
Mera macoma | Western Atlantic | 2 |
| Macoma pulleyi Boyer, 1969 |
Delta macoma | North America | |
| Macoma secta (Conrad, 1837) |
White-sand macoma | Northeast Pacific | 10 |
| Macoma sectior Oyama, 1950 |
Northwest Pacific | ||
| Macoma simplex (d'Orbigny, 1853) |
Western Atlantic | 1.1 | |
| Macoma tageliformis Dall, 1900 |
Tagelus macoma | North America | 3.8 |
| Macoma tenta (Say, 1834) |
Elongate macoma | Western Central Atlantic | 2.5 |
| Macoma torelli (Jensen, 1905) |
Triangular macoma | Northern Atlantic and the Arctic | |
| Macoma uruguayensis (Smith, 1885) |
Western Atlantic | 2.2 | |
| Macoma yoldiformis Carpenter, 1864 |
Yoldia macoma | Northeast Pacific | 2.5 |