[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Pisces
     Class Osteichthyes Huxley, 1880 - bony fishes and tetrapods see Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
       Order Osmeriformes Regan, 1913 - freshwater smelts
         Family Platytroctidae Koefoed, 1927 - tubeshoulders
           1 Genus Barbantus Parr, 1951
           2 Genus Holtbyrnia Parr, 1937
           3 Genus Maulisia Parr, 1960
           4 Genus Mentodus Parr, 1951
           5 Genus Normichthys Parr, 1951
           6 Genus Platytroctes Günther, 1878
           7 Genus Sagamichthys Parr, 1953
           8 Genus Searsia Parr, 1937 - searsid