Phylum Mollusca Linnaeus, 1758 - molluscs
Class Bivalvia Linnaeus, 1758 - bivalves
Subclass Anomalodesmata Dall, 1889 [monotypic]
see Order Anomalodesmata Dall, 1889
Order Pholadomyida Newell, 1965
Suborder Pholadomyina Newell, 1965
see Order Pholadomyida Newell, 1965
Superfamily Pandoroidea Rafinesque, 1815
Family Lyonsiidae Fischer, 1887
Genus Lyonsia Turton, 1822
Subgenus Lyonsia Turton, 1822