Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Echinodermata Bruguière, 1789 - echinoderms
           Class Crinoidea Miller, 1821 - sea lilies and feather stars
             1 Family Comasteridae Clark, 1908
             1 Family Zygometridae
             2 Family Himerometridae
             3 Family Mariametridae
             4 Family Stephanometridae
             5 Family Tropiometridae
             6 Family Colobometridae