living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryotae see Domain Eukaryota Chatton, 1925
     Animalia Linnaeus, 1758 - animals
       Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Mollusca Linnaeus, 1758 - molluscs
           Gastropoda Cuvier, 1795 - snails and slugs
             Pulmonata Cuvier, 1814 - land snails and slugs see Order Pulmonata Cuvier, 1814
               Stylommatophora Schmidt, 1855 see Infraorder Stylommatophora Schmidt, 1855
                 Heterurethra
                   ?Aillyidae Baker, 1955
                     Aillya Odhner, 1927