Tuesdays of Texture is a really awesome weekly feature. You can read about it over here; but the short version is I want to see a bit of your world so link up your post in the comments!
Fossilized rock. Is that a leg peeking at the left? I only saw after I took it. Thankfully.
Thanks to the special participants of last week, the last week of 2016! Do check them out:
Edited to add: