Classification of Smith 2006
Or. Squamata Oppel 1811 [squamates]
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Subor. †Autarchoglossa Wagler 1830
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Unr. Anguimorpha Fürbringer 1900
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Fm. Varanidae Hardwicke and Gray 1824 [monitor lizard]
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Fm. Xenosauridae Cope 1866
Infraor. Scincomorpha Camp 1923
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Infraor. Amphisbaenia Gray 1844 [worm lizard]
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Superfm. †Scincoidea Oppel 1811
Fm. Xantusiidae Baird 1858 [night lizard]
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Infraor. Iguania Cuvier 1817
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Fm. Iguanidae Oppel 1811
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G. †Aciprion Cope 1873
G. †Cypressaurus Holman 1972
Subfm. †Phrynosomatinae Frost and Etheridge 1989
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Subfm. Polychrotinae Macey et al. 1997
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