Phylum Mollusca Linnaeus, 1758 - molluscs
Class Bivalvia Linnaeus, 1758 - bivalves
Subclass Heterodonta Neumayr, 1884
see Clade Heterodonta Neumayr, 1884
Order Myida Stoliczka, 1870
Suborder Myina Stoliczka, 1870
see Superfamily Myoidea Lamarck, 1809
Superfamily Hiatelloidea Gray, 1824 [monotypic]
Family Hiatellidae Gray, 1824 - geoducks
Genus Hiatella Bosc, 1801