Anoplodactylus robustus Hilton, 1939 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Pycnogonida order Pantopoda family Phoxichilidiidae genus Anoplodactylus species Anoplodactylus californicus Name Homonyms Anoplodactylus robustus (Dohrn, 1881) Anoplodactylus robustus Zilberberg, 1963 Anoplodactylus robustus Hilton, 1939