Phylum Mollusca Linnaeus, 1758 - molluscs
Class Bivalvia Linnaeus, 1758 - bivalves
Subclass Palaeoheterodonta Newell, 1965
see Clade Palaeoheterodonta Newell, 1965
Order Unionida Gray, 1854
Superfamily Unionoidea Rafinesque, 1820
Family Unionidae Rafinesque, 1820 - pearly mussels
Subfamily Ambleminae Rafinesque, 1820
Tribe Amblemini Rafinesque, 1820
Genus Caelatura orth. inval.
see Genus Coelatura Conrad, 1853
Subgenus Zairella Vaught, 1989, orth. inval.
see Subgenus Zairiella Haas, 1962