@book{bhlitem56005, title = {The fossils of Illinois, a brief guide to the more common fossils in the rocks of Illinois }, volume = {11}, copyright = {Digitized with permission of the Illinois State Museum. Contact dcc@library.uiuc.edu for information.}, url = {https://www.biodiversitylibrary.org/item/56005}, note = {https://www.biodiversitylibrary.org/bibliography/16880}, publisher = {Springfield, IL, Dept. of Registration & Education, 1957}, author = {Condit, Carlton.}, year = {}, pages = {48}, keywords = {Illinois|Paleontology|}, }