[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Pisces
     Class Agnatha Cope, 1889
       Order Myxiniformes - hagfishes
         Family Myxinidae Rafinesque, 1815 - hagfishes
           Genus Myxine Linnaeus, 1758
             1 Myxine glutinosa Linnaeus, 1758 - Atlantic hagfish
             2 Myxine ios Fernholm, 1981 - white-headed hagfish