Adams, L. A.
, and
Martin, H. T.
1931. An addition to the Urodele Fauna of Kansas from the lower Pliocene. Univ. Kansas Sci. Bull., 19:289-297, pls. 30-32.
Hibbard, C. W.
1934. Two new genera of Felidae from the middle Pliocene of Kansas. Trans. Kansas Acad. Sci., 37:239-255, pls. 4-6.
1939. Notes on additional fauna of Edson Quarry of the middle Pliocene of Kansas. Trans. Kansas Acad. Sci., 42:457-462, 6 figs.
1944. A new land Tortoise, Testudo riggsi, from the middle Pliocene of Seward County, Kansas. Univ. Kansas Sci. Bull., 30:71-76, 2 figs.
Transmitted, March 8, 1948.