| Singular | Plural | |
|---|---|---|
| Nominativ | phalanx | phalanges, phalanges |
| Genitiv | phalangis, phalangis | phalangum, phalangium, phalangum, phalangium |
| Dativ | phalange, phalangi, phalangi | phalangibus, phalangibus |
| Akkusativ | phalangem, phalangem | phalanges, phalangis, phalanges, phalangis |
| Ablativ | phalange, phalange | phalangibus, phalangibus |
| Vokativ | phalanx | phalanges, phalanges |