Description: double-headed serpent-dragons with heads at each end of its body. Its name means 'goes both ways' in Greek as it could reportedly stick one head inside the mouth of the other, and roll to where it wanted to go.

Some pictures of this creature depict it as having feet, others just as a snake.It was said to be a very evil creature.

Pliny recorded medicinal properties of the beast. Wearing a live amphisbæna will protect pregnant women, and wearing a dead one is a remedy of rheumatism.