give an example of pit eyes , please Share with your friends Share 0 Krishnakoli Datta answered this Pit eyes were seen in ancient snails of Cambrian period. In some invertebrates like Planaria pit eyes are found till today. 0 View Full Answer Muskan Jaiswal answered this pit eyes also kown as stemma. pit vipers hve developed pits that function as eyes by sensing thermal infra-red radiation, in addition to their optical wavelength eyes like those of other vertebratesplease gimme a thumbs up... please 0