List of bioregions for Ceratophysella gibbosa (Bagnall, 1940) Profile .
| Bioregion | Description | Status within region | Observation Count | Basis of record | Collection |
|---|---|---|---|---|---|
| Crozet Islands / Possession Island (view region details) | Possession, Est, Cochons, Pingouins, Apotres | Persistent alien | Derived (from literature) | Invasive species checklist Collection details |