arthropodan
/ˌɑːθrəˈpəʊd(ə)n/ /ɑːˈθrɒpəd(ə)n/Zoology
adjective
Of, relating to, or characteristic of the Arthropoda or arthropods.
Origin
Late 19th century; earliest use found in Proceedings of the Cambridge Philosophical Society. From either arthropod or Arthropoda + -an.