Phylum [Mollusca] Linnaeus, 1758 - molluscs
   Class Bivalvia Linnaeus, 1758 - bivalves
     Order Mytiloida Férussac, 1822 see Order Mytilida Férussac, 1822
       Superfamily Pectinacea Rafinesque, 1815, nom. illeg. see Superfamily Pectinoidea Rafinesque, 1815
         Family Pectinidae Rafinesque, 1815 - scallops
           Subfamily Chlamydinae Teppner, 1922
             Genus Semipallium Jousseaume, 1928