Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Arthropoda Siebold, 1848 - arthropods
     Subphylum †Trilobitomorpha Størmer, 1944 - trilobites see Superclass Trilobitomorpha Størmer, 1944
       Class †Trilobita Walch, 1771 - trilobites
         Order †Lichida Moore, 1959
           1 Family †Lichakephalidae Tripp, 1957
           2 Family †Lichidae Hawle & Corda, 1847