Dead mayfly for comparison:

I bet it's a form of cockroach. Because if there was once life on Mars, the only remaining survivors would be cockroaches...


Originally posted by Extralien
reply to post by thePharaoh
Have I missed something?
Could you please explain why you think, or know, that it is not a tooth?
Loads of rust. I wonder how an untouched deposit (such as
fossils are I guess) would fare in that. Any hint of liquid water would surely penetrate the depth of what we're told here. Carrying with it an
oxidised rust paint, more or less.
)