| Cardiomya abyssicola Verrill & Bush, 1898 |
| Protocuspidaria simplis Allen & Morgan, 1981 |
| Cuspidaria rostrata (Spengler, 1793) |
| Protocuspidaria ruginosa (Jeffreys, 1881) |
| Cardiomya saba Knudsen, 1982 |
| Myonera pretiosa Verrill & Bush, 1898 |
| Cuspidaria platensis (E. A. Smith, 1885) |
| Cardiomya perrostrata (Dall, 1881) |
| Cuspidaria pellucida (Stimpson, 1853) |
| Myonera paucistriata Dall, 1886 |
| Cuspidaria patagonica (E. A. Smith, 1885) |
| Cuspidaria parva Verrill & Bush, 1898 |
| Cardiomya ornatissima (d'Orbigny, 1853) |
| Octoporia octaporosa (Allen & Morgan, 1981) |
| Cuspidaria obesa (Lovén, 1846) |
| Rhinoclama notabilis (Jeffreys, 1876) |
| Cuspidaria smirnovi Egorova, 1998 |
| Cardiomya striata (Jeffreys, 1876) |
| Halonympha striatella Verrill & Bush, 1898 |
| Myonera alleni Poutiers, 1995 |
| Cuspidaria altenai Knudsen, 2005 |
| Cardiomya alternata (d'Orbigny, 1853) |
| Cuspidaria arctica (M. Sars, 1859) |
| Cuspidaria arcuata (Dall, 1881) |
| Halonympha atlanta Allen & Morgan, 1981 |
| Cuspidaria wollastonii (E. A. Smith, 1885) |
| Protocuspidaria verityi Allen & Morgan, 1981 |
| Cuspidaria ventricosa Verrill & Bush, 1898 |
| Cuspidaria undata (A. E. Verrill, 1884) |
| Cuspidaria turgida Verrill & Bush, 1898 |
| Cuspidaria tenella E. A. Smith, 1907 |
| Cardiomya surinamensis Altena, 1968 |
| Cuspidaria subtorta (G. O. Sars, 1878) |
| Cuspidaria subglacialis Dall, 1913 [Extralimital] |
| Cuspidaria microrhina Dall, 1886 |
| Cuspidaria media Verrill & Bush, 1898 |
| Cuspidaria monosteira Dall, 1890 |
| Cuspidaria formosa Verrill & Bush, 1898 |
| Myonera demistriata (Allen & Morgan, 1981) |
| Cardiomya curta (Jeffreys, 1876) |
| Cardiomya costellata (Deshayes, 1833) |
| Cuspidaria consociata (E. A. Smith, 1885) |
| Halonympha congenita (E. A. Smith, 1885) |
| Cuspidaria concentrica Thiele, 1912 |
| Cardiomya cleryana (d'Orbigny, 1842) |
| Cuspidaria circinata (Jeffreys, 1876) |
| Cuspidaria chilensis Dall, 1890 |
| Halonympha claviculata (Dall, 1881) |
| Cuspidaria braziliensis E. A. Smith, 1915 |
| Multitentacula composita Krylova, 1995 |
| Cuspidaria barnardi Knudsen, 1970 |
| Protocuspidaria atlantica Allen & Morgan, 1981 |
| Myonera gigantea (A. E. Verrill, 1884) |
| Cuspidaria fraterna Verrill & Bush, 1898 |
| Bathyneaera hadalis (Knudsen, 1970) |
| Cuspidaria minima (Egorova, 1993) |
| Myonera limatula (Dall, 1881) |
| Bathyneaera laticella (Dall, 1886) |
| Cuspidaria kerguelensis E. A. Smith, 1885 |
| Myonera kaiwa Oliveira & Absalao, 2009 |
| Cuspidaria jeffreysi (Dall, 1881) |
| Protocuspidaria jarauara Oliveira & Absalao, 2009 |
| Cuspidaria lamellosa (G. O. Sars, 1878) |
| Myonera lamellifera (Dall, 1881) |
| Cardiomya knudseni (Allen & Morgan, 1981) |
| Cuspidaria luymesi Knudsen, 2005 |
| Cuspidaria infelix Thiele, 1912 |
| Rhinoclama halimera (Dall, 1886) |
| Plectodon granulatus (Dall, 1881) |
| Cuspidaria glacialis (G. O. Sars, 1878) |
| Cuspidaria atlantica Allen & Morgan, 1981 |
