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