After Thies, 1989 Olsen & McCune, 1991, Brito & Gallo, 2003, and Wenz, 2003, with species from Frickhinger, 1995

<==o †Semionotidae Woodward, 1890 pro parte, non Lehman, 1966 [Lepidotidae] [Semionotidae Woodward, 1890 in partim]
   |?- †Austrolepidotes cuyanus
   |?- †Araripelepidotes temnurus (Agassiz, 1841) Silva Santos, 1985
   |?- †Pliodetes nigeriensis L. Cret. WAf.
   |?- †Cyrodus
   |?-o †Paralepidotus U. Perm. U. Trias. Eu.
   |  `-- †P. ornatus
   |--o †Semionotus Agassiz, 1832 [?Archaeosemionotus, Ischypetrus] L.-U. Trias. Eu. ?L. Trias. SA. U. Trias. Aus. SAf. NA.
   |  |-- †S. bergeri
   |  |-- †S. kapffi
   |  |-- †S. normanniae
   |  |-- †S. canabensis
   |  |-- †S. tenuiceps -group
   |  |-- †S. micropterus -group
   |  `--o †S. elegans -group [9 species?]
   |     |-- †S. elegans
   |     |?- †S. kanabensis (Schaeffer & Dunkle, 1950)
   |     `?- †S. minor [=? Lepidotes minor Agassiz, 1837]
   `--o †Lepidotes Agassiz, 1832 [Synonyms] U. Trias. L. Cret. ?U. Cret. Eu. U. Trias. L. Cret. Af. NA. U. Trias. U. Cret. As. ?Trias. L. Jur. U. Cret. SA. L. Jur. Mad.
      |-- †L. affinis Fricke, 1875
      |-- †L. alagoensis Gallo, 2000
      |-- †L. bernissartensis Traquair, 1910
      |-- †L. congolensis
      |-- †L. deccanensis Sykes, 1851
      |-- †L. decoratus Wagner, 1863
      |-- †L. degenhardti Branco, 1885
      |-- †L. dixseptiensis Silva Santos, 1963 [scales only]
      |-- †L. elvensis (Blainville, 1818) [Lepidotes gigas Agassiz, 1832]
      |-- †L. gallinecki (Michael, 1893) [Prolepidotes gallinecki Michael, 1893]
      |-- †L. gloriae Thies, 1989
      |-- †L. ilergetis Sauvage, 1903
      |-- †L. intermedius Wagner, 1863
      |-- †L. itieri Thiollière, 1873
      |-- †L. koeneni Branco, 1887
      |-- †L. laevigatus Sauvage, 1879
      |-- †L. laevis Agassiz, 1837
      |-- †L. latifrons Woodward, 1893
      |-- †L. leedsi Woodward, 1895
      |-- †L. lenneri Sauvage, 1893 [=? L. lennieri]
      |-- †L. llewellyni
      |-- †L. macrocheirus Egerton, 1845
      |-- †L. mantelli Agassiz, 1834
      |-- †L. mawsoni Woodward, 1888
      |-- †L. maximus Wagner, 1863
      |-- †L. minor Agassiz, 1833
      |-- †L. notopterus Agassiz, 1837
      |-- †L. oblongus Agassiz, 1837
      |-- †L. oliveirai Silva Santos, 1969 [scales only]
      |-- †L. palliatus Agassiz, 1837
      |-- †L. pankowskii Forey, López-Arbarello & MacLeod, 2011
      |-- †L. piauhyensis Roxo & Löfgren, 1936
      |-- †L. pusillus Bocchino, 1973
      |-- †L. pustulosus
      |-- †L. roxoi Silva Santos, 1953
      |-- †L. semiserratus
      |-- †L. souzai
      |?- †L. subovatus (Münster, 1842) [Scrobodus Münster, 1842]
      |-- †L. tendaguruensis Arratia & Schultze, 1999
      |-- †L. toombsi Jain & Robinson, 1963
      |-- †L. unguiculatus Agassiz, 1837
      |-- †L. wenzae Brito & Gallo, 2003
      |-- †L. xinjinensis Su, 1983
      `--+-- †L. microrhis Wenz, 2003
         `-- †L. tanyrhis Wenz, 2003

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