Arthropoda
Acrocephalella Rozova, 1963
Alokistocare Lorenz, 1906
Alokistocarella Resser, 1938
Altiocculus Sundbe, 1994
Amecephalina Poulsen, 1927
Amecephaloides Repina, 1964
Amecephalus Walcott, 1924
Annamitia Mansuy, 1916
Arcadiaspis Bognibova, 1970
Arellanella Lochman, 1948
Beldirella Pokrovskaya, 1960
Bythicheilus Resser, 1939
Chancia Walcott, 1924
Chelidonocephalus King, 1937
Clappaspis Deiss, 1939
Dunderbergia Walcott, 1924
Ehmania Resser, 1935
Ehmaniella Resser, 1937
Elrathia Walcott, 1924
Elrathiella Poulsen, 1927
Elrathina Resser, 1937
Ganovexopyge Wolfart, 1997
Inglefieldia Poulsen, 1927
Kistocare Lochman, 1948
Kochiella Poulsen, 1927
Kochina Resser, 1935
Kounamkites Chernysheva, 1956
Mexicella Lochman, 1948
Orlovia Walcott & Resser, 1928
Pachyaspis Resser, 1938
Pedinocephalites Rozova, 1964
Proehmaniella Sundbe, 1994
Ptychoparopsis Hupé, 1953
Schopfaspis Palmer & Gatehouse, 1972
Scottia Wolfart, 1994
