| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Farrea occa | Bowerbank, 1862 | accepted name | Yes | senior synonym |
original combination |
| Farrea occa clavigera | Schulze, 1886 | accepted name | No | senior synonym |
original combination |
| ! Farrea occa cubclavigera | Ijima, 1926 | ambiguous synonym | No | other |
original combination |
| Farrea occa cuspidata | Ijima, 1927 | accepted name | No | senior synonym |
original combination |
| Farrea occa erecta | Ijima, 1927 | accepted name | No | senior synonym |
original combination |
| Farrea occa mammillata | Ijima, 1927 | accepted name | No | senior synonym |
original combination |
| Farrea occa occa | Bowerbank, 1862 | synonym | No | senior synonym |
original combination |
| Farrea occa ouwensi | Ijima, 1927 | accepted name | No | senior synonym |
original combination |
| Farrea occa subclavigera | Ijima, 1927 | accepted name | No | senior synonym |
original combination |