Ptychodus marginallis
A LARGE, Top Quality Ptychodus marginallis tooth from Ellis Co., Kansas. An excellent example of this Cretaceous shark. Complete root. Upper Cretaceous Period. Carlile Shale Formation. Authenticity guaranteed. Near perfect tooth.
KS341 SIZE: 1-1/16" x 7/8"
Note - Adding 11 Kansas Ptychodus teeth in May 2026. Link to Kansas Ptychodus teeth
