Phylum Porifera Grant, 1836 - sponges
  
 Class Demospongea Sollas, 1875
 see Class Demospongiae Sollas, 1885
    
 Subclass Ceractinomorpha Lévi, 1953
 see Class Demospongiae Sollas, 1885
      
 Order †Agelasida Hartman, 1980
        
 Family †Aphrosalpingidae Myagkova, 1955
          
 Subfamily †Palaeoschadinae Myagkova, 1955 [monotypic]
            
 Genus †Palaeoscheda Myagkova, 1955
 see Genus Palaeoschada Myagkova, 1955