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|Noun||1.||Peripatopsidae - a family of Onychophora|
arthropod family - any of the arthropods
class Onychophora, Onychophora - 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 arthropods and annelids