Superphylum Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
   Phylum Chordata Bateson, 1885 - chordates
     Subphylum Craniata auct. see Subphylum Vertebrata Cuvier, 1812
       Vertebrata (Lamarck, 1801) - vertebrates see Subphylum Vertebrata Cuvier, 1812
         Myopterygii - myopterygians
           Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
             Grade Teleostomi Bonaparte, 1836
               Euteleostomi - bony vertebrates
                 Class Actinopterygii Woodward, 1891 - ray-finned fishes
                   Subclass Neopterygii Regan, 1923
                     Division Teleostei Müller, 1845 see Infraclass Teleostei Müller, 1845
                       Elopocephala see Supercohort Teleocephala de Pinna, 1996
                         Clupeocephala
                           Subdivision Euteleostei Greenwood et al., 1966 [monophyletic?] see Cohort Euteleosteomorpha (Greenwood et al., 1966)
                             Superorder Protacanthopterygii Greenwood et al., 1966 see Subcohort Protacanthopterygii Greenwood et al., 1966
                               Order Argentiniformes Johnson & Patterson, 1996 - marine smelts
                                 Suborder Alepocephaloidei
                                   Family Platytroctidae - tubeshoulders
                                     01 Genus Barbantus Parr, 1951
                                     02 Genus Holtbyrnia Parr, 1937
                                     03 Genus Maulisia Parr, 1960
                                     04 Genus Mirorictus Parr, 1947
                                     05 Genus Normichthys Parr, 1951
                                     06 Genus Paraholtbyrnia Krefft, 1967
                                     07 Genus Pellisolus Parr, 1951
                                     08 Genus Persparsia Parr, 1951
                                     09 Genus Platytroctes Günther, 1878
                                     10 Genus Sagamichthys Parr, 1953
                                     11 Genus Searsia Parr, 1937 - searsid
                                     12 Genus Searsioides Sazonov, 1977
                                     13 Genus Tragularius Matsui & Rosenblatt, 1987