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Parietal eyes in lizards: zoogeographical correlates.

Authors
  • Gundy, G C
  • Ralph, C L
  • Wurst, G Z
Type
Published Article
Journal
Science (New York, N.Y.)
Publication Date
Nov 14, 1975
Volume
190
Issue
4215
Pages
671–673
Identifiers
PMID: 1237930
Source
Medline
License
Unknown

Abstract

Lizards without parietal eyes tend to be restricted to low latitudes, whereas lizards with parietal eyes are successful at higher latitudes also. These zoogeographical data, along with current theories of parietal eye physiology, strongly suggest that the overall significance of the parietal eye to lizards as a group is that it facilitates survival at higher latitudes, thus making possible the exploitation of a wider variety of habitats.

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