[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Pisces
     Class Osteichthyes Huxley, 1880 - bony fishes see [unranked] Euteleostomi
       Order Osmeriformes - freshwater smelts see Suborder Osmeroidei
         Family Platytroctidae - tubeshoulders
           Genus Holtbyrnia Parr, 1937
             1 Holtbyrnia anomala Krefft, 1980 - bighead searsid
             2 Holtbyrnia macrops Maul, 1957 - bigeye searsid