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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
Published by: Society for the Study of Amphibians and Reptiles
Stable URL: http://www.jstor.org/stable/1562791
Page Count: 9
You can always find the topics here!Topics: Eyes, Lizards, Natural history museums, Genera, Natural history, Biological taxonomies, Histology, Zoology, Fractions, Phylogenetics
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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.
Journal of Herpetology © 1976 Society for the Study of Amphibians and Reptiles