Onychophorans ("claw-bearers"), or velvet worms (due to velvety appearance), are terrestrial carnivores that rely on adhesive glands that secrete two streams of sticky white liquid to entangle prey or use as a defense. They have un-jointed limbs and a soft body without an exoskeleton.
They are considered the closest relative to arthropods. Today there are only two living families the Peripatidae and the Peripatopsidae. Members of the Peripatidae family are found in tropical regions along the equator while the Peripatopsidae are in the lower southern hemishpere in what used to be Gondwana supercontinent.
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