The terminal phalange on each toe is an ungual, a spade shaped bone, which probably would have had a keratin sheath. This ungual replica is probably from an adult Triceratops, and is from the left foot.
Original fossil discovered in Hell Creek Formation, Montana
Cast Ships with an I.D. label.
Size: Approx. 9cm X 7.5cm (3.5 in X 3 in) long