| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Enchytraeus alaskae | Eisen, 1904 | synonym | No | junior synonym |
original combination |
| Enchytraeus citrinus | Eisen, 1904 | synonym | No | junior synonym |
original combination |
| Enchytraeus cryptosetosus | Tynen, 1969 | synonym | No | junior synonym |
original combination |
| Enchytraeus kincaidi | Eisen, 1904 | accepted name | Yes | senior synonym |
original combination |
| Enchytraeus liefdeensis | Stephenson, 1924 | synonym | No | junior synonym |
original combination |
| Enchytraeus modestus | Eisen, 1904 | synonym | No | junior synonym |
original combination |
| Enchytraeus saxicola | Eisen, 1904 | synonym | No | junior synonym |
original combination |
| Marionina citrina | (Eisen, 1904) | synonym | No | junior synonym |
new combination |