[organisms]
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Phylum Mollusca Linnaeus, 1758 - molluscs
    
 Class Aplacophora von Ihering, 1876 - aplacophorans
 see Phylum Mollusca Linnaeus, 1758
      
 Family Simrothiellidae Salvini-Plawen, 1978
        
 1 Genus Simrothiella Pilsbry, 1898
        
 2 Genus Biserramenia Salvini-Plawen, 1967
        
 3 Genus Uncimenia Nierstrasz, 1903