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Journal Article

The Occurrence of Parietal Eyes in Recent Lacertilia (Reptilia)

G. Craig Gundy and Gloria Z. Wurst
Journal of Herpetology
Vol. 10, No. 2 (Apr. 26, 1976), pp. 113-121
DOI: 10.2307/1562791
Stable URL: http://www.jstor.org/stable/1562791
Page Count: 9
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The Occurrence of Parietal Eyes in Recent Lacertilia (Reptilia)
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Abstract

The occurrence of parietal eyes among lizards (Suborder Lacertilia) was determined by examining museum specimens and noting the presence of a parietal "spot". The parietal "spot" is a reliable indication of the presence of an underlying parietal eye. The parietal eye is absent in Dibamidae, Pygopodidae, Helodermatidae, Lanthanotidae, Anelytropsidae, Gekkonidae, and Teiidae. It is present in most members of Xantusiidae, Scincidae, Cordylidae, Lacertidae, Varanidae, Anniellidae, Anguidae, Xenosauridae, Iguanidae, Agamidae, and Chameleontidae.

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