| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Trichechus manatus | Linnaeus, 1758 | accepted name | Yes | senior synonym |
original combination |
| Trichechus manatus latirostris | (Harlan, 1824) | accepted name | No | senior synonym |
new combination |
| Trichechus manatus manatus | Linnaeus, 1758 | accepted name | No | senior synonym |
original combination |
| Trichecus manatus | Linnaeus, 1758 | synonym | No | senior synonym |
original combination |