After Carroll, 1988, Tintori & Sassi, 1992, and Lombardo, 1999

<==o Peltopleuriformes
   |--o †Peltopleuridae ?Bough, 1939?
   |  |?-o †Peripeltopleurus
   |  |  `-- †P. vexillipinnis Bürgin, 1992
   |  |--o †Peltopleurus Kner, 1866a, M. Trias. EAs. M.-U. Trias. Eu. [11 sp. (Lombardo, 1999)]
   |  |  |-- †P. sp.1
   |  |  |-- †P. sp.2
   |  |  |-- †P. sp.3
   |  |  |-- †P. rugosus4
   |  |  |-- †P. humilis
   |  |  |-- †P. lissocephalus Brough, 1939
   |  |  |-- †P. nothocephalus
   |  |  |-- †P. splendens Kner, 1866a
   |  |  |-- †P. dirumptus
   |  |  |-- †P. nuptialis Lombardo, 1999 [incl. P. humilis Kner in partim]
   |  |  `-- †P. kneri
   |  `--o †Placopleurus M.-U. Trias. Eu.
   |     |-- †P. primus Brough, 1939
   |     `-- †P. besanensis
   `--+-- †Hadroichthys
      `?-o †Thoracopteridae Griffith, 1977
         `--o †Thoracopterus Bronn, 1858 [Urocomus; Pterygopterus; Gigantopterus]
            |-- †T. niederristi
            |-- †T. telleri [Gigantopterus]
            |-- †T. martinisi Tintori & Sassi, 1992
            `-- †T. magnificus Tintori & Sassi, 1987 [Urocomus picenus]

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