Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Bivalvia Linnaeus, 1758 - bivalves
     Subclass Pteriomorphia Beurlen, 1944 see Superorder Pteriomorphia Beurlen, 1944
       Order Arcida Gray, 1854
         Suborder Arcina Stoliczka, 1871 see Order Arcida Gray, 1854
           Superfamily Arcoidea Lamarck, 1809
             Family Noetiidae Stewart, 1930
               Subfamily Noetiinae Stewart, 1930
                 Genus Noetia Gray, 1857
                   1 Subgenus Barbatiella Jousseaume, 1917
                   2 Subgenus Eontia MacNeil, 1938