Vol. s4-4, Issue 19, 1897July 01, 1897 EDT
On Ctenacanthus Spines From Keokuk Limestone of Iowa
On Ctenacanthus Spines From Keokuk Limestone of Iowa
Charles R. Eastman,
Eastman, C. R. (1897). On Ctenacanthus Spines From Keokuk Limestone of Iowa. American Journal of Science, s4-4(19), 10–12. https://doi.org/10.2475/ajs.s4-4.19.10