| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Circulus trilix | (Bush, 1885) | synonym | No | junior synonym |
new combination |
| Cyclostrema pentagonus | Gabb, 1873 | synonym | No | senior synonym |
original combination |
| Cyclostremiscus pentagonus | (Gabb, 1873) | accepted name | Yes | senior synonym |
new combination |
| Cyclostremiscus trilix | (Bush, 1885) | synonym | No | junior synonym |
new combination |
| Vitrinella trilix | Bush, 1885 | synonym | No | junior synonym |
original combination |