Peripatus

• Small, terrestrial, caterpillar like predaceous carnivore.

• It serves as a connecting link between Annelida and Arthropoda.

• Considered as a living fossil.

• Metamerically segmented body.

• Segmentally paired appendages.

• Vermiform body without well defined head.

• Dermomuscular body wall, with circular and longitudinal muscles and thin and flexible cuticular covering.

• Unjointed antennae.

• Ladder like nervous system.