| Singular | Plural | |
|---|---|---|
| Nominativ | conchylilegulus | conchylileguli |
| Genitiv | conchylileguli | conchylilegulorum, conchylilegulum |
| Dativ | conchylilegulo | conchylilegulis |
| Akkusativ | conchylilegulom, conchylilegulum | conchylilegulos |
| Ablativ | conchylilegulo | conchylilegulis |
| Vokativ | conchylilegule | conchylileguli |