| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Caecum cooperi | Smith, 1860 | accepted name | Yes | senior synonym |
original combination |
| Caecum smithi | Cooper, 1872 | synonym | No | junior synonym |
original combination |
| Elephantanellum cooperi | (Smith, 1860) | synonym | No | senior synonym |
new combination |
| Micranellum cooperi | (Smith, 1860) | synonym | No | senior synonym |
new combination |