An EXTRA LARGE, Top Quality Pachychephalosaurus wyomingensis pes ungual (foot claw) from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. This ungual has excellent color and patina. There is one barely visible stress fracture which is stabilzed. Small portion of the end of each "wing" (rear of the base of the blood groove) has some damage. Overall an excellect pes ungual. Note - this ungual has the Pachy twist (see Pachy ungual differentiation discussion below). No repair or restoration. An ultra rare Pachy pes ungual! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An exceptional collector's quality Pachychephalosaurus ungual. Museum quality. My largest Pachy claw. Note - claw comes with a Riker type frame. Authenticity guaranteed. Authenticity guaranteed.
DP21 SIZE: 2-3/8" (1-1/4" W)
Note - Adding 4 new Pachy unguals in July 2018. Link to Pachy fossils catalog