metazoans Haeckel 1874 - multicellular animals see Kingdom Animalia Linnaeus, 1758 Bilateria Hatschek, 1888 - bilaterians see Subkingdom Bilateria Hatschek, 1888 Phylum Arthropoda Siebold, 1848 - arthropods ?Family †Vendomiidae Keller, 1976 see Family Dickinsoniidae Harrington & Moore, 1955 Genus †Vendia Keller, 1969