Metazoa Haeckel 1874 - multicellular animals see Kingdom Animalia Linnaeus, 1758 Phylum Nemertea Schultze, 1851 - ribbon worms 1.1 Family Tubulanidae Bürger, 1904 (1874) 1.2 Family Cephalothricidae McIntosh, 1874 2.1 Family Carinomidae 2.2 Neonemertea Thollesson & Norenburg, 2003