There are 2 matches

Collection Authorizer Collection name Reference
81504M. Clapham Amb, very highest beds of Productus-limestone, Salt Range Changhsingian - Permian 4 - Pakistan Waagen (1879)
89061M. Clapham Chidru, topmost Productus Limestone, Salt Range (= Chhidru) Changhsingian - Permian 4 - Pakistan Waagen (1880)

Do another search