living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Status: extant
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
  Status: extant
     Kingdom Animalia Linnaeus, 1758 - animals
    Status: extant
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
      Status: extant
         Phylum Mollusca Linnaeus, 1758 - molluscs
        Status: extant
           Class Gastropoda Cuvier, 1795 - snails and slugs
          Status: extant
             Subclass Pulmonata Cuvier, 1814 - land snails and slugs see Order Pulmonata Cuvier, 1814
            Status: extant
               Order Stylommatophora Schmidt, 1855 see Infraorder Stylommatophora Schmidt, 1855
              Status: extant
                 Suborder Sigmurethra Pilsbry, 1900 see Group Sigmurethra Pilsbry, 1900
                Status: extant
                   Infraorder Holopoda
                  Status: extant
                     Superfamily Oleacinacea see Superfamily Oleacinoidea H. Adams & A. Adams, 1855
                    Status: extant
                       Family Oleacinidae Adams & Adams, 1855
                      Status: extant
                         Genus Oleacina Röding, 1798
                        Status: extant