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 Astartoidea d'Orbigny, 1844 (1840) see Superfamily Crassatelloidea FĂ©russac, 1822 Family Astartidae d'Orbigny, 1844 (1840) - astarte clams 1 Subfamily Astartinae d'Orbigny, 1844 (1840)