| Spondylidinae Audinet-Serville, 1832 |
| Spondylidini Audinet-Serville, 1832 |
| Spondylis Fabricius, 1775 |
| Spondylis mexicanus Bates, 1879 |
| Steirastoma Lepeletier & Audinet-Serville, 1830 |
| Steirastoma anomala Bates, 1880 |
| Steirastoma histrionicum White, 1855 |
| Steirastoma lituratum Bates, 1885 |
| Steirastoma senex White, 1855 |
| Stenaspis Audinet-Serville, 1834 |
| Stenaspis castaneipennis Dupont, 1838 |
| Stenaspis lingafelteri Eya, 2021 |
| Stenaspis pilosella Bates, 1892 |
| Stenaspis solitaria (Say, 1824) |
| Stenaspis validicornis Casey, 1912 |
| Stenaspis verticalis Audinet-Serville, 1834 |
| Stenaspis verticalis subsp. insignis Casey, 1924 |
| Stenaspis verticalis subsp. verticalis Audinet-Serville, 1834 |
| Stenelaphus Linsley, 1936 |
| Stenelaphus alienus (LeConte, 1875) |