A relatively small fossilised crab (tumidocarcinus giganteus) encased within an oval siltstone concretion. The upperside of crab is visible - smooth, evenly rounded, but somewhat flattened back to its carapace - fine raised dots all over the surface. Parts of the legs have broken away - presumably with other half of concretion. Both chelae are hidden under concretion.
Be the first to comment.