[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Mollusca Linnaeus, 1758 - molluscs
     Class Gastropoda Cuvier, 1795 - snails and slugs
       Family Buccinidae Rafinesque, 1815 - whelks
         Genus Volutopsius Mörch, 1857
           Volutopsius deformis (Reeve, 1847) - warped whelk
           Volutopsius norwegicus (Gmelin, 1791) - Norway whelk