 [organisms]
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
 [organisms]
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Mollusca Linnaeus, 1758 - molluscs
 Phylum Mollusca Linnaeus, 1758 - molluscs
     Class Gastropoda Cuvier, 1795 - snails and slugs
 Class Gastropoda Cuvier, 1795 - snails and slugs
       Family Tornidae Sacco, 1896 (1884)
 Family Tornidae Sacco, 1896 (1884)
         1 Genus Tornus Turton & Kingston, 1830
 1 Genus Tornus Turton & Kingston, 1830
         2 Genus Discopsis Folin & PĂ©rier, 1870
 2 Genus Discopsis Folin & Périer, 1870