fossil marine animal genera Linnaeus, 1758 - animals
   Phylum Mollusca Linnaeus, 1758 - molluscs
     "Monoplacophora" Odhner, 1940 see Class Monoplacophora Odhner, 1940
       Class †Tergomya Horný, 1965
         1 Order Tryblidiida Lemche, 1957 see Order Monoplacophorida Wenz, in Knight, 1952
         2 Order †Cyrtonellida Horny, 1963
         3 Order †Hypseloconida Peel, 1991