| Dauerfossil | Nominativ, Singular | nominative case, singular | |
| Dauerfossil(e)s | Genitiv, Singular | genitive case, singular | |
| Dauerfossil(e) | Dativ, Singular | dative case, singular | |
| Dauerfossil | Akkusativ, Singular | accusative case, singular | |
| Dauerfossile | Nominativ, Plural | nominative case, plural | |
| Dauerfossile | Genitiv, Plural | genitive case, plural | |
| Dauerfossilen | Dativ, Plural | dative case, plural | |
| Dauerfossile | Akkusativ, Plural | accusative case, plural |