1. Coffin bone (P3): This is the last bone in the foot, also known as the pedal bone. It's shaped like a horseshoe and supports the hoof wall.
2. Pastern bone (P2): This bone connects the coffin bone to the long pastern bone.
3. Long pastern bone (P1): This bone connects the pastern bone to the cannon bone.
While these are the main bones, there are also smaller bones like the navicular bone and sesamoid bones that contribute to the horse's foot structure.