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