Deklinationen
| Singular | Plural | |
|---|---|---|
| Nominativ | singular sg hapalopsis | plural pl hapalopsides |
| Genitiv | singular sg hapalopsidis | plural pl hapalopsidum |
| Dativ | singular sg hapalopsidi | plural pl hapalopsidibus |
| Akkusativ | singular sg hapalopsida | plural pl hapalopsides |
| Ablativ | singular sg hapalopside | plural pl hapalopsidibus |
| Vokativ | singular sg hapalopsis | plural pl hapalopsides |