I found these fragments of something crabby on my last trip to the North Sulphur River in Texas. They were partially exposed in one of the red bed layers of the Ozan Formation, and were so delicate that they started to crumble when I extracted them. I saved the more whole and identifiable pieces. They're a kind of muddy yellow color, with maybe some hints of the original pigmentation in the blue areas. The red beds tend to either turn fossils black (when they're phosphatized) or a dusty red, so