Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
       Order Caenogastropoda Cox, 1960 see Superorder Caenogastropoda Cox, 1960
         Suborder Neotaenioglossa Haller, 1882 see Order Sorbeoconcha Ponder & Lindberg, 1997
           Superfamily Trivioidea F.H. Troschel, 1863 see Superfamily Velutinoidea Gray, 1840
             Family Eratoidae T. Gill, 1871 - coffee bean shells see Tribe Eratoini Gill, 1871
               Subfamily Eratoinae Gill, 1871
                 Tribe Eratoini Gill, 1871
                   1 Genus †Proterato Schilder, 1927
                   2 Genus †Archierato Schilder, 1932
                   3 Genus Erato Risso, 1826
                   4 Genus Alaerato Cate, 1977
                   5 Genus Hespererato Schilder, 1933
                   6 Genus Notoficula Thiele, 1917