| Scientific Name | Author | English Name |
|---|---|---|
| Asthenothaerus diegensis | (Dall, 1915) | San Diego thraciid |
| Asthenothaerus hemphilli | Dall, 1886 | Square thraciid |
| Asthenothaerus hemphillii | Dall, 1886 | |
| Asthenothaerus maxwelli | Marshall, 2002 | |
| Asthenothaerus villosior | Carpenter, 1864 | |
| Barythaerus biconvexus | (Powell, 1927) | |
| Barythaerus cuneatus | (Powell, 1937) | |
| Bushia elegans | (Dall, 1886) | Elegant bushclam |
| Bushia rushii | (Pilsbry, 1897) | |
| Cochlodesma praetenue | (Pulteney, 1799) | European spoon clam |
| Cochlodesma tenerum | (Jeffreys, 1880) | |
| Cyathodonta cruziana | Dall, 1915 | |
| Cyathodonta dubiosa | Dall, 1915 | |
| Cyathodonta granulosa | (Adams & Reeve, 1850) | |
| Cyathodonta pedroana | Dall, 1915 | San Pedro thraciid |
| Cyathodonta undulata | Conrad, 1849 | |
| Ixartia cuneolus | (Reeve, 1859) | |
| Lampeia adamsi | (MacGinitie, 1959) | Pillar thraciid |
| Parvithracia ampla | Marshall, 2002 | |
| Parvithracia fragilissima | Marshall, 2002 | |
| Parvithracia melchior | Marshall, 2002 | |
| Parvithracia suteri | Finlay, 1927 | |
| Thracia adamsi | MacGinitie, 1959 | |
| Thracia adenensis | Melvill, 1898 | |
| Thracia arienatoma | Oliver & Holmes, 2004 | |
| Thracia challisiana | Dall, 1915 | Pustulose thracia |
| Thracia condoni | Dall, 1909 | Smooth thracia |
| Thracia conradi | Couthouy, 1839 | Undulate thracia |
| Thracia convexa | (Wood, 1815) | |
| Thracia corbuloidea | Blainville, 1824 | |
| Thracia curta | Conrad, 1837 | Short thracia |
| Thracia devexa | Sars, 1878 | Sloping thracia |
| Thracia distorta | Montagu, 1808 | Distorted thracia |
| Thracia gracilis | Jeffreys, 1865 | |
| Thracia itoi | unspecified | |
| Thracia meridionalis | Smith, 1885 | |
| Thracia morrisoni | Petit, 1964 | Wrinkled thracia |
| Thracia myopsis | Møller, 1842 | Arctic thracia |
| Thracia papyracea | (Poli, 1791) | |
| Thracia phaseolina | (Lamarck, 1822) | Kidneybean thracia |
| Thracia pubescens | (Pulteney, 1799) | Pubescent thracia |
| Thracia rugosa | Lamarck, 1818 | Rugose thracia |
| Thracia septentrionalis | Jeffreys, 1872 | Northern thracia |
| Thracia similis | Couthouy, 1839 | |
| Thracia stimpsoni | Dall, 1886 | Stimpson thracia |
| Thracia trapezoides | Conrad, 1849 | Trapezoid thracia |
| Thracia vegrandis | Marshall & Murdoch, 1919 | |
| Thracia villosiuscula | (MacGillivray, 1827) | |
| Thracia vitrea | Hutton, 1873 | |
| Thraciopsis subrecta | Cotton & Godfrey, 1938 | |
| Trigonothracia jingxingae | Xu, 1980 | |
| Trigonothracia mimica | Marshall, 2002 | |
| Trigonothracia pusilla | (Gould, 1961) |