| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Modulus filosus | (Helbling, 1779) | synonym | No | junior synonym |
new combination |
| Modulus modulus | (Linnaeus, 1758) | accepted name | Yes | senior synonym |
new combination |
| Modulus perlatus | Gmelin, 1791 | synonym | No | junior synonym |
original combination |
| Modulus pisum | Morch, 1876 | synonym | No | junior synonym |
original combination |
| Modulus tasmanica | Tension-woods, 1877 | synonym | No | junior synonym |
original combination |
| Trochus modulus | Linnaeus, 1758 | synonym | No | senior synonym |
original combination |