Phylum Mollusca Linnaeus, 1758 - molluscs
Class Bivalvia Linnaeus, 1758 - bivalves
Subclass Heterodonta Neumayr, 1884
see Clade Heterodonta Neumayr, 1884
Order Chamida
see Order Venerida Gray, 1854
Superfamily Corbiculoidea Gray, 1847
see Superfamily Cyrenoidea Gray, 1840
Family Pisidiidae Gray, 1857
see Family Sphaeriidae Deshayes, 1855 (1820)
Genus Zecyclas Starobogatov, 1968