Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Bivalvia Linnaeus, 1758 - bivalves
     Subclass Pteriomorphia Beurlen, 1944 see Superorder Pteriomorphia Beurlen, 1944
       Order Ostreida Férussac, 1822
         Suborder Ostreina Férussac, 1822 see Order Ostreida Férussac, 1822
           Superfamily Plicatuloidea Gray, 1854
             Family Plicatulidae Gray, 1854 [monotypic]
               Genus Plicatula Lamarck, 1801
                 Subgenus Spiniplicatula Habe, 1977