Kingdom Animalia Linnaeus, 1758 - animals Phylum Pogonophora Johansson, 1937 - beard worms see Family Siboglinidae Caullery, 1914 Order Thecanephria A.V. Ivanov, 1955 see Family Siboglinidae Caullery, 1914 Family Lamellisabellidae Uschakov, 1933 see Family Siboglinidae Caullery, 1914 Genus Siphonobrachia Nielsen, 1965