Kingdom Animalia Linnaeus, 1758 - animals Phylum Annelida Lamarck, 1809 - segmented worms Class Polychaeta Grube, 1850 - polychaetes Order Sabellida Fauchald, 1977 Family Serpulidae Savigny, 1818 Genus Hydroides Gunnerus, 1768 Genus Serpula Linnaeus, 1758 Genus Spirobranchus de Blainville, 1818