Alternative taxonomy from Nelson, 1994, and Long, 1995 (originally Arsenault & Janvier, 1991?)

<==o †Anaspida
   |?-o †Jaymotiiformes Tarlo, 1967
   |  |?- †Endeiolepis aneri Stensiö, 1939 [Endeiolepidae] [possibly synonymous or cogeneric with Euphanerops longaevus (Janvier, et al., 2006, Janvier & Arsenault, 2007)]
   |  |-- †Achanarella trewini Newman, 2002 [Achanarella Rowlands (nomen nudum)] [Achanarellidae Newman, 2002]
   |  |-- †Jaymoytius kerwoodi White, 1946 [Jaymoytiidae]
   |  `--o †Euphaneropidae Woodward, 1900 [Euphaneropsidae]
   |     |-- †Cornovichthys blaauweni Newman & Trewin, 2001
   |     `-- †Euphanerops longaevus Woodward, 1900 [Legendrelepis parenti Arsenault & Janvier, 1991]
   `--+?- †Schidiosteus
      |?- †Rytidolepis
      |?- †Vesikulepis
      |?- †Maurylepis
      |?- †Silmalepis
      |?- †Septentrionalis Blom, Märss & Miller, 2002
      |?- †Liivilepis curvata Blom, Märss & Miller, 2002
      |?- †Hoburgilepis
      |?- †Tahulalepis elongituberculata Blom, Märss & Miller, 2002
      |?- †Spokoinolepis
      |?- †Manbrookia Blom, Märss & Miller, 2002
      |?- †Ruhnulepis
      |--o †Pharyngolepis Kiær, 1911
      |  |-- †P. oblongus
      |  `-- †P. heintzi
      `--+--o †Pterygolepis Cossmann, 1920 [Pterolepidops, Pterolepis]
         |  `-- †P. nitidus
         `--+--o †Rhyncholepis Kiær, 1911 [Rhyncholepididae Kiær, 1924]
            |  `-- †R. parvulus
            `--o †Birkeniida Berg, 1937
               |-- †Lasanius problematicus Traquair, 1898 [Lasaniidae]
               |-- †Ramsaasalepis porosa Blom, Märss & Miller, 2003 [Ramsaasalepididae Blom, Märss & Miller, 2003]
               `--o †Birkeniidae
                  |?- †Vilkitskilepis valentinae Märss, 2002
                  |-- †Birkenia elegans Traquair, 1898
                  |-- †Ctenopleuron nerepisense Matthew, 1907
                  `-- †Saarolepis

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