[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 Ophidiiformes Rafinesque, 1810 - cusk-eels
         Family Carapidae Jordan & Fowler, 1902 - pearlfishes
           1 Genus Carapus Rafinesque, 1810
           2 Genus Echiodon Thompson, 1837