1) Class 2) Class onychophora 
The velvet worms (Onychophora — literally `claw bearers`) are a minor ecdysozoan phylum with ~180 species. These obscurely segmented organisms have tiny eyes, antennae, multiple pairs of legs and slime glands. They have variously been compared to worms with legs, caterpillars and slugs. Most common in tropical regions of the Southern Hemispher.....
• (n. pl.) Malacopoda.
On`y·choph'o·ra noun plural [ New Latin , from Greek ..., ..., a claw + ....] (Zoology) Malacopoda. 
Onychophora is a terrestrial class of arthropod. They have a thin cuticle. The head is composed of three segments with one pair of jaws.
[n] - enigmatic small elongated wormlike terrestrial invertebrates of damp dark habitats in warm regions
class Onychophora noun enigmatic small elongated wormlike terrestrial invertebrates of damp dark habitats in warm regions; distinct from the phylum Annelida; resemble slugs with legs and are sometimes described as the missing link between arthr...