Phylum Mollusca Linnaeus, 1758 - molluscs
Status: extant
   Class Bivalvia Linnaeus, 1758 - bivalves
  Status: extant
     Subclass Palaeoheterodonta Newell, 1965 see Clade Palaeoheterodonta Newell, 1965
    Status: extant
       Order Unionida Gray, 1854
      Habitat: freshwater; Status: extant
         Superfamily Muteloidea Gray, 1847 see Superfamily Etherioidea Deshayes, 1832
        Status: extant
           Family Mutelidae Gray, 1847 see Subfamily Iridininae Swainson, 1840
          Status: extant
             Genus Mutela Scopoli, 1777
            Status: extant
               Subgenus Chelidonopsis Ancey, 1887
              Status: extant