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 Poromyina [monotypic]
see Superfamily Poromyoidea Dall, 1886
Superfamily Poromyoidea Dall, 1886 [monotypic]
Family Poromyidae Dall, 1886
Genus Poromya Forbes, 1844
Subgenus Cetomya Dall, 1889