After Nelson, 1994, and Froese & Pauly, 2001 ["The FishBase"]

<==o Myxini [Hyperotreti] (hagfishes; limaajat, limanahkiaiset)
   |?- ?†Myxineidus Poplin, Sotty & Janvier, 2001
   |?- †Myxinikela siroka Bardack, 1991
   |?- †Gilpichthys greenei Bardack & Richardson, 1977 [Gilpichthyidae Halstead 1993]
   `--o Myxiniformes (hagfishes; limaajat, limanahkiaiskalat)
      `--o Myxinidae Rafinesque, 1815 [Bdellostomatidae] (limaajat, limanahkiaiset)
         |-- Eptatretus [Bdellostoma, Polistoderma; Paramyxine; Quadratus] [Eptatretinae]
         `--o Myxininae
            |-- Notomyxine tridentiger (Garman, 1899) (kolmipiikkilimaaja)
            |-- Neomyxine biplinicata (Richardson & Jowett, 1951)
            |--o Nemamyxine
            |  |-- N. sp.
            |  `-- N. kreffti McMillan & Wisner, 1982
            `--o Myxine
               |-- M. affinis Günther, 1870 (Patagonian hagfish)
               |-- M. australis Jenyns, 1842 (etelänlimaaja)
               |-- M. capensis Regan, 1913 (Cape hagfish)
               |-- M. circifrons Garman, 1899 (Whiteface hagfish)
               |-- M. debueni Wisner & McMillan, 1995
               |-- M. dorsum Wisner & McMillan, 1995
               |-- M. fernholmi Wisner & McMillan, 1995
               |-- M. garmani Jordan & Snyder, 1901
               |-- M. glutinosa Linnaeus, 1758 (Hagfish; limaaja, limanahkiainen)
               |-- M. hubbsi Wisner & McMillan, 1995
               |-- M. hubbsoides Wisner & McMillan, 1995
               |-- M. ios Fernholm, 1981 (White-headed hagfish)
               |-- M. knappi Wisner & McMillan, 1995
               |-- M. limosa Girard, 1859
               |-- M. mccoskeri Wisner & McMillan, 1995
               |-- M. mcmillanae Hensley, 1991
               |-- M. paucidens Regan, 1913
               |-- M. pequenoi Wisner & McMillan, 1995
               `-- M. robinsorum Wisner & McMillan, 1995

Reference(s):