After Nelson, 1994, and Froese & Pauly, 2001–

<==o Polymixiomorpha
   |?-o †Pattersonichthyidae
   |  |-- †Humilichthys orientalis U. Cret. SWAs. 
   |  |-- †Pattersonichthys delicatus U. Cret. SWAs. 
   |  `-- †Phoenicolepis arcuatus U. Cret. SWAs. 
   |?-o †Ctenothrissiformes
   |  |-- †Aulolepis U. Cret. Eu. [Aulolepidae]
   |  `--o †Ctenothrissidae
   |     |-- †Ctenothrissa vexillifer [Aeothrissa] U. Cret. Eu. SWAs. 
   |     `-- †Heterothrissa signeuxae U. Cret. SWAs. 
   `--o Polymixiiformes Rosen & Patterson, 1969 (partakalat; beardfishes)
      `--o Polymixiidae Gill, 1862 (beardfishes; partakalat)
         |--o †Berycopsis [Platycormus] U. Cret. Eu.
         |  `-- †B. germanus [Platycormus germanus]
         |-- †Dalmatichthys
         |-- †Homonotichthys [Homonotus Stenostoma] U. Cret. Eu. 
         |--o †Omosoma U. Cret. Eu. SWAs. NAf. 
         |  `-- †O. sahelaimae
         |--o †Omosomopsis L. Cret. NAf.
         |  `-- †O. simum
         |-- †Parapolymyxia Eoc. Olig. NA. 
         |--o †Pycnosterinx [Imogaster] U. Cret. SWAs.
         |  `-- †P. russeggeri
         `--o Polymixia Lowe, 1838; Eoc. Eu. R. Oc. (partakalat; Beardfishes) [N: 5] [FB: 10]
            |-- P. berndti Gilbert, 1905 (Pacific beardfish)
            |-- P. busakhini Kotlyar, 1993
            |-- P. fusca Kotthaus, 1970
            |-- P. japonica Günther, 1877 (Silver eye)
            |-- P. longispina Deng, Xiong & Zhan, 1983
            |-- P. lowei Günther, 1859 (Beardfish)
            |-- P. nobilis Lowe, 1838 (Stout beardfish)
            |-- P. salagomeziensis Kotlyar, 1991
            |-- P. sazonovi Kotlyar, 1992
            `-- P. yuri Kotlyar, 1982

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