[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 Vanikoridae Gray, 1840
         Genus Megalomphalus Brusina, 1871
           Megalomphalus azonus (Brusina, 1865)
           Megalomphalus disciformis (Granata-Grillo, 1877)
           Megalomphalus petitianus (Tiberi, 1869)