Trace fossils left by horseshoe crabs foraging 208 - 201 million years ago. From a Rhaetic site (Uppermost Triassic) on the banks of the River Severn, UK. Including tracks and imprint s of the head shields. @AdamStuartSmith This is what I was talking about last week.
#Triassic #Rhaetic #Horseshoe #crab #trace #fossil #Headshield #tracks