[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   [metazoans] Haeckel 1874 - multicellular animals see Kingdom Animalia Linnaeus, 1758
     Phylum Arthropoda Siebold, 1848 - arthropods
       Class †Trilobita Walch, 1771 - trilobites
         Order †Corynexochida Kobayashi, 1935
           01 Genus †Abakania Poletaeva, 1973
           02 Genus †Arthricocephalus Bergeron, 1899
           03 Genus †Atdabanella Repina, 1965
           04 Genus †Babakovia Sivov, 1955
           05 Genus †Balangia Chien, 1961
           06 Genus †Bathyuriscellus Lermontova, 1951
           07 Genus †Bonnaria Lochman, 1956
           08 Genus †Bonnaspis Resser, 1936
           09 Genus †Bonnia Walcott, 1916
           10 Genus †Bonniella Resser, 1937
           11 Genus †Bonniopsis Poulsen, 1946
           12 Genus †Changaspis Lee, 1963
           13 Genus †Cheiruroides Kobayashi, 1935
           14 Genus †Chondrinouvina
           15 Genus †Compsocephalus Repina, 1973, nom. nud.
           16 Genus †Dolichometopsis Poulsen, 1927
           17 Genus †Duotingia
           18 Genus †Erbiella Fedyanina, 1962
           19 Genus †Erbiopsidella Pokrovskaya, 1959
           20 Genus †Erbiopsis Lermontova, 1940
           21 Genus †Fordaspis Lochman, 1956
           22 Genus †Granularia Poletaeva, 1951, nom. illeg. see Genus Granularaspis Babcock & St. John, 1995
           23 Genus †Hunnanocephalus nom. null. see Genus Hunanocephalus Lee, 1963
           24 Genus †Inuoyina
           25 Genus †Jakutus Lermontova, 1951
           26 Genus †Kootenia Walcott, 1888
           27 Genus †Labradoria Resser, 1936
           28 Genus †Lancastria Kobayashi, 1935
           29 Genus †Lenaspis Suvorova, 1959
           30 Genus †Micmaccopsis Lermontova, 1940
           31 Genus †Ogygopsis Walcott, 1889
           32 Genus †Olenoides Meek, 1877
           33 Genus †Oryctocephalus Walcott, 1886
           34 Genus †Poliella Walcott, 1916
           35 Genus †Poliellaspis Lermontova, 1940
           36 Genus †Poliellina Poletayeva, 1936
           37 Genus †Proerbia Lermontova, 1940
           38 Genus †Prokootenia Lermontova, 1940
           39 Genus †Protypus Walcott, 1886
           40 Genus †Prozacanthoides Resser, 1937
           41 Genus †Pseudolancastria Lee, 1963
           42 Genus †Rondocephalus Pokrovskaya, 1959
           43 Genus †Shabaella Qian & Sun, 1977
           44 Genus †Sinijanella Repina, 1965
           45 Genus †Strettonia Cobbold, 1931
           46 Genus †Tabatopygellina Sivov, 1955
           47 Genus †Tarynaspis Repina, 1965
           48 Genus †Uktaspis Korobov, 1963
           49 Genus †Zacanthopsis Resser, 1938