fossil marine animal genera Linnaeus, 1758 - animals
   Phylum Mollusca Linnaeus, 1758 - molluscs
     ?Class †Cricoconarida Fisher, 1962
       1 Order †Tentaculitida Ljaschenko, 1955
       2 Order †Homoctenida Boucek, 1964
       3 Order †Dacryoconarida (Fisher, 1962)