| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Anthopleura crassa | (Andres, 1880) | synonym | No | senior synonym |
new combination |
| Aulactinia crassa | Andres, 1881 | synonym | No | senior synonym |
original combination |
| Bunodes crassus | Andres, 1881 | synonym | No | senior synonym |
original combination |
| Cribrinopsis crassa | (Andres, 1881) | accepted name | Yes | senior synonym |
new combination |