| Echinoderma | Nominativ, Singular | nominative case, singular | |
| Echinoderma | Genitiv, Singular | genitive case, singular | |
| Echinoderma | Dativ, Singular | dative case, singular | |
| Echinoderma | Akkusativ, Singular | accusative case, singular | |
| Echinoderma | Nominativ, Plural | nominative case, plural | |
| Echinoderme | Genitiv, Plural | genitive case, plural | |
| Echinodermen | Dativ, Plural | dative case, plural | |
| Echinoderme | Akkusativ, Plural | accusative case, plural |