So, we have a group of primates compared to a snake, here are some similarities and differences that we can observe.
Similarities:
All of them have spinal columns with vertebrae
All of them have skulls
All of them have ribs
Differences:
The hominids have limbs and the snake doesn't
The snake has many more ribs than the hominids
The skull of the snake is more elongated.
The snake doesn't have a pelvis