Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Bivalvia Linnaeus, 1758 - bivalves
     Subclass Heterodonta Neumayr, 1884 see Clade Heterodonta Neumayr, 1884
       Order Venerida Gray, 1854
         Superfamily Cyamioidea Sars, 1878
           Family Sportellidae Dall, 1899
             Genus Basterotia Hörnes, 1859, nom. protect.
               1 Subgenus Basterotella Olsson & Harbison, 1953