| A rare occurrence of the Late Cretaceous ptychodontid shark, Ptychodus polygyrus Agassiz 1938, in the Smoky Hill Member (Niobrara Formation) of western Kansas, (abstr.) |
Caggiano, T.; and Everhart, M.J. |
Kansas Academy of Science, Abstracts with Programs vol. 22, pp. 23-24 |
2003 |
N/A
|
| Note on the occurrence of five species of Ptychodontid sharks from a single locality in the Smoky Hill Chalk (Late Cretaceous) of western Kansas, (abstr.) |
Everhart, M.J.; Caggiano, T.; and Shimada, K. |
Kansas Academy of Science, Abstracts with Programs vol. 22, p. 24 |
2003 |
N/A
|