Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Bivalvia Linnaeus, 1758 - bivalves
     Subclass Pteriomorphia Beurlen, 1944 see Superorder Pteriomorphia Beurlen, 1944
       Order Mytilida Férussac, 1822 [monotypic]
         Suborder Mytilina Férussac, 1822 [monotypic] see Order Mytilida Férussac, 1822
           Superfamily Mytiloidea Rafinesque, 1815 [monotypic]
             Family Mytilidae Rafinesque, 1815 - marine mussels
               01 Subfamily Mytilinae Rafinesque, 1815
               02 Subfamily Modiolinae Termier & Termier, 1950, nom. protect.
               03 Genus Aedimytilus orth. inval. see Genus Aeidimytilus Olsson, 1961
               04 Genus Bathymodiolus Kenk & Wilson, 1985
               05 Genus Ciboticola Iredale, 1939
               06 Genus Fungiacava Soot-Ryen, 1969
               07 Genus Stenolena Dall, Bartsch & Rehder, 1938
               08 Genus Xenostrobus Wilson, 1967
               09 Subfamily Crenellinae Gray, 1840
               10 Subfamily Lithophaginae Adams & Adams, 1857 (1854)