Discoscaphites (Hoploscaphites) conradi Morton.
Matrix free 3D Ammonite still retaining all of its original mother-of-pearl shell. Superb sutures. Double row of tubercles along the venter. A very attractive Ammonite. Crack running across the specimen towards the termination.
Late Cretaceous, Maastrichtian, Fox Hills Sandstone.
Edgemont, Fall River County, South Dakota, U.S.A.
Ammonite : 9.3 cm. diam.
