[Class] Cestoda - tapeworms see Infraclass Cestoda Order Rhinebothriidea Healy, Caira, Jensen, Webster & Littlewood, 2009 Family Rhinebothriidae Euzet, 1953 Genus Spongiobothrium Linton, 1889 [monotypic] 1 Spongiobothrium variabileᵀ Linton, 1889