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.
               Subgenus Basterotella Olsson & Harbison, 1953