Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
     Class Flagellata see Subphylum Mastigophora Diesing, 1866
       Order Protomonadina see Phylum Zoomastigina
         Family Craspedomonadidae see Family Salpingoecidae Kent, 1880
           Genus [Protospongia] Kent, 1880, nom. illeg. see Genus Proterospongia Kent, 1882
             1 Protospongia haeckeli Kent see Proterospongia haeckelii Kent, 1880-1882