[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: 3k;35p;34c;158o;1359f;4704g;2825s;11ss
   Phylum Mollusca Linnaeus, 1758 - molluscs
  Count: 7c;339f;1062g;1595s;6ss
     Class Gastropoda Cuvier, 1795 - snails and slugs
    Count: 204f;694g;1460s;6ss
       Family Trochidae Rafinesque, 1815 - top snails
      Count: 16g;100s
         Genus Calliostoma Swainson, 1840
        Count: 18s
           Calliostoma caroli (Dautzenberg, 1927)
          Count: -
           Calliostoma cleopatra (Locard, 1896)
          Count: -
           Calliostoma conulus (C. Linnaeus, 1758)
          Count: -
           Calliostoma granulatum (Born, 1778) - European granular top-shell
          Count: -
           Calliostoma grimaldii (Dautzenberg & H. Fischer, 1896)
          Count: -
           Calliostoma gualterianum (Philippi, 1848) - Gualteri's top-shell
          Count: -
           Calliostoma gubbiolii Nofroni, 1984
          Count: -
           Calliostoma hirondellei (Dautzenberg & H. Fischer, 1896)
          Count: -
           Calliostoma kochi Pallary, 1902
          Count: -
           Calliostoma laugieri (Payraudeau, 1826)
          Count: -
           Calliostoma leptophyma (Dautzenberg & H. Fischer, 1896)
          Count: -
           Calliostoma lithocolletum (Dautzenberg, 1925)
          Count: -
           Calliostoma milneedwardsi (Locard, 1898)
          Count: -
           Calliostoma normani (Dautzenberg & H. Fischer, 1897)
          Count: -
           Calliostoma obesulum (Locard, 1898)
          Count: -
           Calliostoma occidentale (Mighels & C.B. Adams, 1842) - boreal topsnail
          Count: -
           Calliostoma virescens Coen, 1933
          Count: -
           Calliostoma zizyphinum (C. Linnaeus, 1758)
          Count: -