| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Nodulus megalomastomus | Olsson & McGinty, 1958 | synonym | No | senior synonym |
original combination |
| ! Pelycidion megalomastoma | (Olsson & McGinty, 1958) | synonym | No | senior synonym |
new combination |
| Pelycidion megalomastomus | (Olsson & McGinty, 1958) | accepted name | Yes | senior synonym |
new combination |