This picture taken by Mars Curiosity Rover of what appears to be a fossilized Iguana on the surface of Mars.This reptilian creature appears in a few photos on the SOL 153 page
This week an iguana was found in not one, but three NASA photos taken by Curiosity.
NASA link photo :
-http://mars.jpl.nasa.gov/msl-raw-images/msss/00153/mcam/0153ML0848025000E1_DXXX.jpg
-http://mars.nasa.gov/msl/multimedia/raw/?rawid=0153MR0848024000E1_DXXX&s=153
-http://mars.jpl.nasa.gov/msl-raw-images/msss/00153/mcam/0153ML0848021000E1_DXXX.jpg