Phylum Mollusca Linnaeus, 1758 - molluscs Status: extant Class Bivalvia Linnaeus, 1758 - bivalves Status: extant Subclass Heterodonta Neumayr, 1884 see Clade Heterodonta Neumayr, 1884 Status: extant Order Chamida see Order Venerida Gray, 1854 Status: extant Superfamily Tellinoidea Blainville, 1814 Status: extant Family Tellinidae Blainville, 1814 - tellinids Status: extant Subfamily Macominae Olsson, 1961 Status: extant Genus Macalia Adams, 1860 Status: extant