| Nominal Species (n = 40) | Present allocation (n = 38) | Ref. |
|---|---|---|
| Thracia adamsi MacGinitie, 1959 | Thracia adamsi | 19 |
| Thracia adenensis Melvill, 1898 | Thracia adenensis | 3477 |
| Parvithracia ampla Marshall, 2002 | Parvithracia ampla | 8121 |
| Thracia arienatoma Oliver & Holmes, 2004 | Thracia arienatoma | 2922 |
| Thracia beringi Dall, 1915 | Thracia myopsis | 75097 |
| Thracia challisiana Dall, 1915 | Thracia challisiana | 19 |
| Thracia condoni Dall, 1909 | Thracia condoni | 19 |
| Thracia conradi Couthouy, 1839 | Thracia conradi | 19 |
| Thracia corbuloidea Blainville, 1824 | Thracia corbuloidea | 83435 |
| Cyathodonta cruziana Dall, 1915 | Cyathodonta cruziana | 83435 |
| Thracia curta Conrad, 1837 | Thracia curta | 19 |
| Thracia devexa Sars, 1878 | Thracia devexa | 19 |
| Thracia distorta Montagu, 1808 | Thracia distorta | 19 |
| Cyathodonta dubiosa Dall, 1915 | Cyathodonta dubiosa | 19 |
| Parvithracia fragilissima Marshall, 2002 | Parvithracia fragilissima | 8121 |
| Thracia gracilis Jeffreys, 1865 | Thracia gracilis | 3477 |
| Asthenothaerus hemphilli Dall, 1886 | Asthenothaerus hemphilli | 19 |
| Asthenothaerus hemphillii Dall, 1886 | Asthenothaerus hemphillii | 83435 |
| Trigonothracia jingxingae Xu, 1980 | Trigonothracia jingxingae | 77830 |
| Asthenothaerus maxwelli Marshall, 2002 | Asthenothaerus maxwelli | 8121 |
| Parvithracia melchior Marshall, 2002 | Parvithracia melchior | 8121 |
| Thracia meridionalis Smith, 1885 | Thracia meridionalis | 3477 |
| Trigonothracia mimica Marshall, 2002 | Trigonothracia mimica | 8121 |
| Thracia morrisoni Petit, 1964 | Thracia morrisoni | 19 |
| Anatina myalis Lamarck, 1818 | Thracia pubescens | 3477 |
| Thracia myopsis Møller, 1842 | Thracia myopsis | 19 |
| Cyathodonta pedroana Dall, 1915 | Cyathodonta pedroana | 19 |
| Mya pubescens Pulteney, 1799 | Thracia pubescens | 3477 |
| Thracia rugosa Lamarck, 1818 | Thracia rugosa | 19 |
| Thracia rushii Pilsbry, 1897 | Bushia rushii | 83435 |
| Thracia septentrionalis Jeffreys, 1872 | Thracia septentrionalis | 19 |
| Thracia similis Couthouy, 1839 | Thracia similis | 83435 |
| Thracia stimpsoni Dall, 1886 | Thracia stimpsoni | 19 |
| Thraciopsis subrecta Cotton & Godfrey, 1938 | Thraciopsis subrecta | 3477 |
| Parvithracia suteri Finlay, 1927 | Parvithracia suteri | 8121 |
| Thracia trapezoides Conrad, 1849 | Thracia trapezoides | 19 |
| Cyathodonta undulata Conrad, 1849 | Cyathodonta undulata | 19 |
| Thracia vegrandis Marshall & Murdoch, 1919 | Thracia vegrandis | 8121 |
| Asthenothaerus villosior Carpenter, 1864 | Asthenothaerus villosior | 19 |
| Thracia vitrea Hutton, 1873 | Thracia vitrea | 8121 |