| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Cynthia ampulla | Forbes & Hanley, 1848 | ambiguous synonym | No | other |
original combination |
| Glandula fibrosa | Stimpson, 1852 | synonym | No | senior synonym |
original combination |
| Pandocia fibrosa | (Stimpson, 1852) | synonym | No | senior synonym |
new combination |
| Polycarpa fibrosa | (Stimpson, 1852) | accepted name | Yes | senior synonym |
new combination |
| Tethyum fibrosum | (Stimpson, 1852) | synonym | No | senior synonym |
new combination |