| Singular | Plural | |
|---|---|---|
| Nominativ | arenifodina | arenifodinae |
| Genitiv | arenifodinae, arenifodinai | arenifodinarum, arenifodinum |
| Dativ | arenifodinae, arenifodinai | arenifodinis, arenifodinabus |
| Akkusativ | arenifodinam | arenifodinas |
| Ablativ | arenifodinad, arenifodina | arenifodinis, arenifodinabus |
| Vokativ | arenifodina | arenifodinae |