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

genus Peripatus - type genus of Peripatidae; onychophorans of chiefly New World tropical regions

genus Plicatoperipatus, Plicatoperipatus - a genus of Peripatidae