Articulata Cuvier see [unranked] Protostomia Grobben, 1908 1 Arthropoda Siebold, 1848 - arthropods see Phylum Arthropoda Siebold, 1848 2 Annelida Lamarck, 1809 - segmented worms see Phylum Annelida Lamarck, 1809