As its name indicates, it consists in the amputation of the third phalanx of each of the cat's toes. (en.educhateur.com)
During this sequence, I was huddled together in phalanx formation with my fellow soldiers as we pushed our way towards a line of archers raining fire arrows down on us. (gamingtrend.com)
The last or third phalanx of a cat can be extended upward as well as flexed downward. (texaswestveterinarian.com)