fossil marine animal genera Linnaeus, 1758 - animals
   Phylum Mollusca Linnaeus, 1758 - molluscs
     "Monoplacophora" Odhner, 1940 see Class Monoplacophora Odhner, 1940
       Class †incertae sedis
         1 Order †Pelagiellida Runnegar & Pojeta, 1985 see Order Pelagielliformes Runnegar & Pojeta, 1985
         2 Order †Tuarangiida MacKinnon, 1982
         3 Order †Hemithecellitina Stinchcomb & Darrough, 1995
         4 Order †incertae sedis