[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 Acteonidae d'Orbigny, 1843, nom. protect. - bubble shells
         1 Genus Acteon Montfort, 1810
         2 Genus Tomlinula Strand, 1932, nom. illeg. see Genus Alexania Strand, 1928
         3 Genus Inopinodon Bouchet, 1975
         4 Genus Crenilabium Cossmann, 1889
         5 Genus Liocarenus Harris & Burrows, 1891 see Genus Hemiauricula Deshayes, 1853
         6 Genus Japonacteon Taki, 1956
         7 Genus Callostracon Nordsieck, 1972, orth. inval. see Genus Callostracon Repetto & Bianco, 2012