Phylum Mollusca Linnaeus, 1758 - molluscs
Count: [*†*] 8c;49o;641f;6099g; †2f;162g [24 Jan 2022]
   Class Gastropoda Cuvier, 1795 - snails and slugs
  Count: [*] 21o;416f;4650g; †136g [13 Dec 2021]
     Subclass Opisthobranchia Milne-Edwards, 1848 - opisthobranchs see Order Opisthobranchia Milne-Edwards, 1848
    Count: [*] 8o;119f;463g [31 Oct 2021]
       Order Cephalaspidea Fischer, 1883
      Count: [*] 19f;96g [21 Oct 2021]
         Superfamily Acteonoidea d'Orbigny, 1843
        Count: [*] 13f;77g [20 Oct 2021]
           Family Cylichnidae Adams & Adams, 1854
          Count: [*] 14g [20 Oct 2021]
             01 Genus Scaphander Montfort, 1810
            Count: -
             02 Genus Acteocina Gray, 1847
            Count: -
             03 Genus Cylichna Lovén, 1846
            Count: -
             04 Genus Cylichnatys Kuroda & Habe, 1952
            Count: -
             05 Genus Cylichnella Gabb, 1873
            Count: -
             06 Genus Mamillocylichna Nordsieck, 1972
            Count: -
             07 Genus Meloscaphander Schepman, 1913
            Count: -
             08 Genus Micraenigma Berry, 1953
            Count: -
             09 Genus Mirascapha Stewart, 1927
            Count: -
             10 Genus Nipponoscaphander Kuroda & Habe, 1971 see Genus Scaphander Montfort, 1810
            Count: -
             11 Genus Paracteocina Minichev, 1966
            Count: -
             12 Genus Roxania Gray, 1847
            Count: -
             13 Genus Utriculastra Thiele, 1925
            Count: -
             14 Genus Utriculopsis Sars, 1870
            Count: -