Ptychodus mammillaris
A Top Quality Ptychodus mammillaris tooth from Ness Co., Kansas. An excellent example of this Cretaceous shark. Upper Cretaceous Period. Carlile Shale Formation. Authenticity guaranteed. Near Perfect tooth.
KS361 SIZE: 7/8" x 3/4"
Note - Adding 11 Kansas Ptychodus teeth in May 2026. Link to Kansas Ptychodus teeth
